#1617 update license headers

#1617 merge dto pattern examples
update gitignore (#1632 )
2021-01-24 20:07:40 +02:00 · 2021-01-24 19:57:21 +02:00 · 2021-01-24 11:17:05 +02:00 · 2021-01-19 12:06:26 +05:30 · 2021-01-16 21:00:23 +02:00 · 2021-01-16 20:55:20 +02:00
45 changed files with 805 additions and 334 deletions
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@ -1368,6 +1368,15 @@
      "contributions": [
        "code"
      ]
+    },
+    {
+      "login": "demirhalil",
+      "name": "Halil Demir",
+      "avatar_url": "https://avatars1.githubusercontent.com/u/22895118?v=4",
+      "profile": "https://github.com/demirhalil",
+      "contributions": [
+        "translation"
+      ]
    }
  ],
  "contributorsPerLine": 4,
--- a/.gitignore
+++ b/.gitignore
@ -4,7 +4,8 @@ target
 .classpath
 .project
 *.class
-# Package Files #
+
+### Package Files ###
 *.jar
 *.war
 *.ear
@ -13,7 +14,8 @@ target
 *.swp
 datanucleus.log
 /bin/
-/bin/
-/bin/
 *.log
 event-sourcing/Journal.json
+
+### Checkstyle ###
+.checkstyle
--- a/README.md
+++ b/README.md
@ -10,12 +10,12 @@
 [![Coverage](https://sonarcloud.io/api/project_badges/measure?project=iluwatar_java-design-patterns&metric=coverage)](https://sonarcloud.io/dashboard?id=iluwatar_java-design-patterns)
 [![Join the chat at https://gitter.im/iluwatar/java-design-patterns](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/iluwatar/java-design-patterns?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-150-orange.svg?style=flat-square)](#contributors-)
+[![All Contributors](https://img.shields.io/badge/all_contributors-151-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->

 <br/>

-Read in different language : [![CN](/assets/flags/CN.png)**CN**](/zh/README.md),[![KR](/assets/flags/KR.png)**KR**](/ko/README.md),[![FR](/assets/flags/FR.png)**FR**](/fr/README.md),
+Read in different language : [![CN](/assets/flags/CN.png)**CN**](/zh/README.md),[![KR](/assets/flags/KR.png)**KR**](/ko/README.md),[![FR](/assets/flags/FR.png)**FR**](/fr/README.md),[![TR](/assets/flags/TR.png)**TR**](/tr/README.md),

 <br/>

@ -300,6 +300,7 @@ This project is licensed under the terms of the MIT license.
  <tr>
    <td align="center"><a href="http://libkhadir.fr"><img src="https://avatars1.githubusercontent.com/u/45130488?v=4?s=100" width="100px;" alt=""/><br /><sub><b>KHADIR Tayeb</b></sub></a><br /><a href="#translation-tkhadir" title="Translation">🌍</a></td>
    <td align="center"><a href="https://github.com/ignite1771"><img src="https://avatars2.githubusercontent.com/u/59446563?v=4?s=100" width="100px;" alt=""/><br /><sub><b>ignite1771</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=ignite1771" title="Code">💻</a></td>
+    <td align="center"><a href="https://github.com/demirhalil"><img src="https://avatars1.githubusercontent.com/u/22895118?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Halil Demir</b></sub></a><br /><a href="#translation-demirhalil" title="Translation">🌍</a></td>
  </tr>
 </table>

--- a/assets/flags/TR.png
+++ b/assets/flags/TR.png
--- a/data-transfer-object-enum-impl/README.md
+++ b/data-transfer-object-enum-impl/README.md
@ -1,54 +0,0 @@
---
-layout: pattern
-title: Data Transfer Object
-folder: data-transfer-object
-permalink: /patterns/data-transfer-object/
-categories: Architectural
-tags:
- - Performance
---
-
-## Intent
-
-Pass data with multiple attributes in one shot from client to server, to avoid multiple calls to 
-remote server. 
-
-## Explanation
-
-Real world example
-
-> We need to fetch information about customers from remote database. Instead of querying the 
-> attributes one at a time, we use DTOs to transfer all the relevant attributes in a single shot.     
-
-In plain words
-
-> Using DTO relevant information can be fetched with a single backend query. 
-
-Wikipedia says
-
-> In the field of programming a data transfer object (DTO) is an object that carries data between 
-> processes. The motivation for its use is that communication between processes is usually done 
-> resorting to remote interfaces (e.g. web services), where each call is an expensive operation. 
-> Because the majority of the cost of each call is related to the round-trip time between the client 
-> and the server, one way of reducing the number of calls is to use an object (the DTO) that 
-> aggregates the data that would have been transferred by the several calls, but that is served by 
-> one call only.
-
-## Class diagram
-
-![alt text](./etc/dto-enum-uml.png "data-transfer-object")
-
-## Applicability
-
-Use the Data Transfer Object pattern when:
-
-* The client is asking for multiple information. And the information is related.
-* When you want to boost the performance to get resources.
-* You want reduced number of remote calls.
-
-## Credits
-
-* [Design Pattern - Transfer Object Pattern](https://www.tutorialspoint.com/design_pattern/transfer_object_pattern.htm)
-* [Data Transfer Object](https://msdn.microsoft.com/en-us/library/ff649585.aspx)
-* [J2EE Design Patterns](https://www.amazon.com/gp/product/0596004273/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=0596004273&linkCode=as2&tag=javadesignpat-20&linkId=f27d2644fbe5026ea448791a8ad09c94)
-* [Patterns of Enterprise Application Architecture](https://www.amazon.com/gp/product/0321127420/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=0321127420&linkCode=as2&tag=javadesignpat-20&linkId=014237a67c9d46f384b35e10151956bd)
--- a/data-transfer-object-enum-impl/etc/data-transfer-object-enum-impl.urm.puml
+++ b/data-transfer-object-enum-impl/etc/data-transfer-object-enum-impl.urm.puml
@ -1,129 +0,0 @@
-@startuml
-package com.iluwatar.datatransferenum {
-  class App {
-    - LOGGER : Logger {static}
-    + App()
-    + main(args : String[]) {static}
-  }
-  class Product {
-    - cost : Double
-    - id : Long
-    - name : String
-    - price : Double
-    - supplier : String
-    + Product()
-    + getCost() : Double
-    + getId() : Long
-    + getName() : String
-    + getPrice() : Double
-    + getSupplier() : String
-    + setCost(cost : Double) : Product
-    + setId(id : Long) : Product
-    + setName(name : String) : Product
-    + setPrice(price : Double) : Product
-    + setSupplier(supplier : String) : Product
-    + toString() : String
-  }
-  enum ProductDTO {
-    + valueOf(name : String) : ProductDTO {static}
-    + values() : ProductDTO[] {static}
-  }
-  -interface Cost {
-    + getCost() : Double {abstract}
-  }
-  -interface Id {
-    + getId() : Long {abstract}
-  }
-  -interface Name {
-    + getName() : String {abstract}
-  }
-  -interface Price {
-    + getPrice() : Double {abstract}
-  }
-  enum Request {
-    + valueOf(name : String) : Request {static}
-    + values() : Request[] {static}
-  }
-  class Create {
-    - cost : Double
-    - name : String
-    - price : Double
-    - supplier : String
-    + Create()
-    + getCost() : Double
-    + getName() : String
-    + getPrice() : Double
-    + getSupplier() : String
-    + setCost(cost : Double) : Create
-    + setName(name : String) : Create
-    + setPrice(price : Double) : Create
-    + setSupplier(supplier : String) : Create
-  }
-  enum Response {
-    + valueOf(name : String) : Response {static}
-    + values() : Response[] {static}
-  }
-  class Private {
-    - cost : Double
-    - id : Long
-    - name : String
-    - price : Double
-    + Private()
-    + getCost() : Double
-    + getId() : Long
-    + getName() : String
-    + getPrice() : Double
-    + setCost(cost : Double) : Private
-    + setId(id : Long) : Private
-    + setName(name : String) : Private
-    + setPrice(price : Double) : Private
-    + toString() : String
-  }
-  class Public {
-    - id : Long
-    - name : String
-    - price : Double
-    + Public()
-    + getId() : Long
-    + getName() : String
-    + getPrice() : Double
-    + setId(id : Long) : Public
-    + setName(name : String) : Public
-    + setPrice(price : Double) : Public
-    + toString() : String
-  }
-  -interface Supplier {
-    + getSupplier() : String {abstract}
-  }
-  class ProductResource {
-    - products : List<Product>
-    + ProductResource(products : List<Product>)
-    + getAllProductsForAdmin() : List<Private>
-    + getAllProductsForCustomer() : List<Public>
-    + getProducts() : List<Product>
-    + save(createProductDTO : Create)
-  }
-}
-Create ..+ Request
-Request ..+ ProductDTO
-Private ..+ Response
-Supplier ..+ ProductDTO
-Name ..+ ProductDTO
-ProductResource -->  "-products" Product
-Public ..+ Response
-Id ..+ ProductDTO
-Price ..+ ProductDTO
-Response ..+ ProductDTO
-Cost ..+ ProductDTO
-Create ..|> Name 
-Create ..|> Price 
-Create ..|> Cost 
-Create ..|> Supplier 
-Private ..|> Id 
-Private ..|> Name 
-Private ..|> Price 
-Private ..|> Cost 
-Public ..|> Id 
-Public ..|> Name 
-Public ..|> Price 
-@enduml
--- a/data-transfer-object-enum-impl/etc/dto-enum-uml.png
+++ b/data-transfer-object-enum-impl/etc/dto-enum-uml.png
--- a/data-transfer-object-enum-impl/pom.xml
+++ b/data-transfer-object-enum-impl/pom.xml
@ -1,61 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-
-    The MIT License
-    Copyright © 2014-2019 Ilkka Seppälä
-
-    Permission is hereby granted, free of charge, to any person obtaining a copy
-    of this software and associated documentation files (the "Software"), to deal
-    in the Software without restriction, including without limitation the rights
-    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-    copies of the Software, and to permit persons to whom the Software is
-    furnished to do so, subject to the following conditions:
-
-    The above copyright notice and this permission notice shall be included in
-    all copies or substantial portions of the Software.
-
-    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-    THE SOFTWARE.
-
-->
-<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0">
-    <modelVersion>4.0.0</modelVersion>
-    <parent>
-        <groupId>com.iluwatar</groupId>
-        <artifactId>java-design-patterns</artifactId>
-        <version>1.24.0-SNAPSHOT</version>
-    </parent>
-    <artifactId>data-transfer-object-enum-impl</artifactId>
-    <dependencies>
-        <dependency>
-            <groupId>org.junit.jupiter</groupId>
-            <artifactId>junit-jupiter-engine</artifactId>
-            <scope>test</scope>
-        </dependency>
-    </dependencies>
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-assembly-plugin</artifactId>
-                <executions>
-                    <execution>
-                        <configuration>
-                            <archive>
-                                <manifest>
-                                    <mainClass>com.iluwatar.datatransferenum.App</mainClass>
-                                </manifest>
-                            </archive>
-                        </configuration>
-                    </execution>
-                </executions>
-            </plugin>
-        </plugins>
-    </build>
-</project>
--- a/data-transfer-object-enum-impl/src/main/java/com/iluwatar/datatransferenum/App.java
+++ b/data-transfer-object-enum-impl/src/main/java/com/iluwatar/datatransferenum/App.java
@ -1,59 +0,0 @@
-package com.iluwatar.datatransferenum;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * The Data Transfer Object pattern is a design pattern in which an data transfer object is used to
- * serve related information together to avoid multiple call for each piece of information.
- *
- * <p>In this example, ({@link App}) as as product details consumer i.e. client to
- * request for product details to server.
- *
- * <p>productResource ({@link ProductResource}) act as server to serve product information. And
- * The productDto ({@link ProductDto} is data transfer object to share product information.
- */
-public class App {
-
-  private static final Logger LOGGER = LoggerFactory.getLogger(App.class);
-
-  /**
-   * Method as act client and request to server for details.
-   *
-   * @param args program argument.
-   */
-  public static void main(String[] args) {
-    Product tv =
-        new Product().setId(1L).setName("TV").setSupplier("Sony").setPrice(1000D).setCost(1090D);
-    Product microwave =
-        new Product().setId(2L).setName("microwave").setSupplier("Delonghi").setPrice(1000D)
-            .setCost(1090D);
-    Product refrigerator =
-        new Product().setId(3L).setName("refrigerator").setSupplier("Botsch").setPrice(1000D)
-            .setCost(1090D);
-    Product airConditioner =
-        new Product().setId(4L).setName("airConditioner").setSupplier("LG").setPrice(1000D)
-            .setCost(1090D);
-    List<Product> products =
-        new ArrayList<>(Arrays.asList(tv, microwave, refrigerator, airConditioner));
-    ProductResource productResource = new ProductResource(products);
-
-    LOGGER.info("####### List of products including sensitive data just for admins: \n {}",
-        Arrays.toString(productResource.getAllProductsForAdmin().toArray()));
-    LOGGER.info("####### List of products for customers: \n {}",
-        Arrays.toString(productResource.getAllProductsForCustomer().toArray()));
-
-    LOGGER.info("####### Going to save Sony PS5 ...");
-    ProductDto.Request.Create createProductRequestDto = new ProductDto.Request.Create()
-        .setName("PS5")
-        .setCost(1000D)
-        .setPrice(1220D)
-        .setSupplier("Sony");
-    productResource.save(createProductRequestDto);
-    LOGGER.info("####### List of products after adding PS5: {}",
-        Arrays.toString(productResource.getProducts().toArray()));
-  }
-}
--- a/data-transfer-object/src/main/java/com/iluwatar/datatransfer/App.java
+++ b/data-transfer-object/src/main/java/com/iluwatar/datatransfer/App.java
@ -23,7 +23,13 @@

 package com.iluwatar.datatransfer;

+import com.iluwatar.datatransfer.customer.CustomerDto;
+import com.iluwatar.datatransfer.customer.CustomerResource;
+import com.iluwatar.datatransfer.product.Product;
+import com.iluwatar.datatransfer.product.ProductDto;
+import com.iluwatar.datatransfer.product.ProductResource;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@ -32,11 +38,17 @@ import org.slf4j.LoggerFactory;
 * The Data Transfer Object pattern is a design pattern in which an data transfer object is used to
 * serve related information together to avoid multiple call for each piece of information.
 *
- * <p>In this example, ({@link App}) as as customer details consumer i.e. client to
- * request for customer details to server.
+ * <p>In the first example, {@link App} is a customer details consumer i.e. client to
+ * request for customer details to server. {@link CustomerResource} act as server to serve customer
+ * information. {@link CustomerDto} is data transfer object to share customer information.
+ *
+ * <p>In the second example, {@link App} is a product details consumer i.e. client to
+ * request for product details to server. {@link ProductResource} acts as server to serve
+ * product information. {@link ProductDto} is data transfer object to share product information.
+ *
+ * <p>The pattern implementation is a bit different in each of the examples. The first can be
+ * thought as a traditional example and the second is an enum based implementation.
 *
- * <p>CustomerResource ({@link CustomerResource}) act as server to serve customer information. And
- * The CustomerDto ({@link CustomerDto} is data transfer object to share customer information.
 */
 public class App {

@ -48,6 +60,8 @@ public class App {
   * @param args program argument.
   */
  public static void main(String[] args) {
+
+    // Example 1: Customer DTO
    var customerOne = new CustomerDto("1", "Kelly", "Brown");
    var customerTwo = new CustomerDto("2", "Alfonso", "Bass");
    var customers = new ArrayList<>(List.of(customerOne, customerTwo));
@ -72,6 +86,53 @@ public class App {
    customerResource.save(customerThree);
    allCustomers = customerResource.getAllCustomers();
    printCustomerDetails(allCustomers);
+
+    // Example 2: Product DTO
+    Product tv =
+        new Product().setId(1L).setName("TV").setSupplier("Sony").setPrice(1000D).setCost(1090D);
+    Product microwave =
+        new Product()
+            .setId(2L)
+            .setName("microwave")
+            .setSupplier("Delonghi")
+            .setPrice(1000D)
+            .setCost(1090D);
+    Product refrigerator =
+        new Product()
+            .setId(3L)
+            .setName("refrigerator")
+            .setSupplier("Botsch")
+            .setPrice(1000D)
+            .setCost(1090D);
+    Product airConditioner =
+        new Product()
+            .setId(4L)
+            .setName("airConditioner")
+            .setSupplier("LG")
+            .setPrice(1000D)
+            .setCost(1090D);
+    List<Product> products =
+        new ArrayList<>(Arrays.asList(tv, microwave, refrigerator, airConditioner));
+    ProductResource productResource = new ProductResource(products);
+
+    LOGGER.info(
+        "####### List of products including sensitive data just for admins: \n {}",
+        Arrays.toString(productResource.getAllProductsForAdmin().toArray()));
+    LOGGER.info(
+        "####### List of products for customers: \n {}",
+        Arrays.toString(productResource.getAllProductsForCustomer().toArray()));
+
+    LOGGER.info("####### Going to save Sony PS5 ...");
+    ProductDto.Request.Create createProductRequestDto =
+        new ProductDto.Request.Create()
+            .setName("PS5")
+            .setCost(1000D)
+            .setPrice(1220D)
+            .setSupplier("Sony");
+    productResource.save(createProductRequestDto);
+    LOGGER.info(
+        "####### List of products after adding PS5: {}",
+        Arrays.toString(productResource.getProducts().toArray()));
  }

  private static void printCustomerDetails(List<CustomerDto> allCustomers) {
--- a/data-transfer-object/src/main/java/com/iluwatar/datatransfer/customer/CustomerDto.java
+++ b/data-transfer-object/src/main/java/com/iluwatar/datatransfer/customer/CustomerDto.java
@ -21,7 +21,7 @@
 * THE SOFTWARE.
 */

-package com.iluwatar.datatransfer;
+package com.iluwatar.datatransfer.customer;

 /**
 * {@link CustomerDto} is a data transfer object POJO. Instead of sending individual information to
--- a/data-transfer-object/src/main/java/com/iluwatar/datatransfer/customer/CustomerResource.java
+++ b/data-transfer-object/src/main/java/com/iluwatar/datatransfer/customer/CustomerResource.java
@ -21,7 +21,7 @@
 * THE SOFTWARE.
 */

-package com.iluwatar.datatransfer;
+package com.iluwatar.datatransfer.customer;

 import java.util.List;

--- a/data-transfer-object-enum-impl/src/main/java/com/iluwatar/datatransferenum/Product.java
+++ b/data-transfer-object-enum-impl/src/main/java/com/iluwatar/datatransferenum/Product.java
@ -1,4 +1,27 @@
-package com.iluwatar.datatransferenum;
+/*
+ * The MIT License
+ * Copyright © 2014-2019 Ilkka Seppälä
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package com.iluwatar.datatransfer.product;

 /**
 * {@link Product} is a entity class for product entity. This class act as entity in the demo.
--- a/data-transfer-object-enum-impl/src/main/java/com/iluwatar/datatransferenum/ProductDto.java
+++ b/data-transfer-object-enum-impl/src/main/java/com/iluwatar/datatransferenum/ProductDto.java
@ -1,4 +1,27 @@
-package com.iluwatar.datatransferenum;
+/*
+ * The MIT License
+ * Copyright © 2014-2019 Ilkka Seppälä
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package com.iluwatar.datatransfer.product;

 /**
 * {@link ProductDto} is a data transfer object POJO.
--- a/data-transfer-object-enum-impl/src/main/java/com/iluwatar/datatransferenum/ProductResource.java
+++ b/data-transfer-object-enum-impl/src/main/java/com/iluwatar/datatransferenum/ProductResource.java
@ -1,4 +1,27 @@
-package com.iluwatar.datatransferenum;
+/*
+ * The MIT License
+ * Copyright © 2014-2019 Ilkka Seppälä
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package com.iluwatar.datatransfer.product;

 import java.util.List;
 import java.util.stream.Collectors;
--- a/data-transfer-object/src/test/java/com/iluwatar/datatransfer/customer/CustomerResourceTest.java
+++ b/data-transfer-object/src/test/java/com/iluwatar/datatransfer/customer/CustomerResourceTest.java
@ -21,13 +21,16 @@
 * THE SOFTWARE.
 */

-package com.iluwatar.datatransfer;
+package com.iluwatar.datatransfer.customer;

 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertTrue;

 import java.util.ArrayList;
 import java.util.List;
+
+import com.iluwatar.datatransfer.customer.CustomerDto;
+import com.iluwatar.datatransfer.customer.CustomerResource;
 import org.junit.jupiter.api.Test;

 /**
--- a/pom.xml
+++ b/pom.xml
@ -199,7 +199,6 @@
        <module>filterer</module>
        <module>factory</module>
        <module>separated-interface</module>
-        <module>data-transfer-object-enum-impl</module>
        <module>special-case</module>
    </modules>

--- a/registry/pom.xml
+++ b/registry/pom.xml
@ -1,4 +1,28 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    The MIT License
+    Copyright © 2014-2019 Ilkka Seppälä
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in
+    all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+    THE SOFTWARE.
+
+-->
 <project xmlns="http://maven.apache.org/POM/4.0.0"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
--- a/registry/src/main/java/com/iluwatar/registry/App.java
+++ b/registry/src/main/java/com/iluwatar/registry/App.java
@ -1,3 +1,26 @@
+/*
+ * The MIT License
+ * Copyright © 2014-2019 Ilkka Seppälä
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
 package com.iluwatar.registry;

 import org.slf4j.Logger;
--- a/registry/src/main/java/com/iluwatar/registry/Customer.java
+++ b/registry/src/main/java/com/iluwatar/registry/Customer.java
@ -1,3 +1,26 @@
+/*
+ * The MIT License
+ * Copyright © 2014-2019 Ilkka Seppälä
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
 package com.iluwatar.registry;

 public class Customer {
--- a/registry/src/main/java/com/iluwatar/registry/CustomerRegistry.java
+++ b/registry/src/main/java/com/iluwatar/registry/CustomerRegistry.java
@ -1,3 +1,26 @@
+/*
+ * The MIT License
+ * Copyright © 2014-2019 Ilkka Seppälä
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
 package com.iluwatar.registry;

 import java.util.Map;
--- a/registry/src/test/java/com/iluwatar/registry/CustomerRegistryTest.java
+++ b/registry/src/test/java/com/iluwatar/registry/CustomerRegistryTest.java
@ -1,3 +1,26 @@
+/*
+ * The MIT License
+ * Copyright © 2014-2019 Ilkka Seppälä
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
 package com.iluwatar.registry;

 import org.junit.jupiter.api.BeforeAll;
--- a/special-case/pom.xml
+++ b/special-case/pom.xml
@ -1,4 +1,28 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    The MIT License
+    Copyright © 2014-2019 Ilkka Seppälä
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in
+    all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+    THE SOFTWARE.
+
+-->
 <project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
--- a/special-case/src/main/java/com/iluwatar/specialcase/App.java
+++ b/special-case/src/main/java/com/iluwatar/specialcase/App.java
@ -1,3 +1,26 @@
+/*
+ * The MIT License
+ * Copyright © 2014-2019 Ilkka Seppälä
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
 package com.iluwatar.specialcase;

 import org.slf4j.Logger;
--- a/special-case/src/main/java/com/iluwatar/specialcase/ApplicationServices.java
+++ b/special-case/src/main/java/com/iluwatar/specialcase/ApplicationServices.java
@ -1,3 +1,26 @@
+/*
+ * The MIT License
+ * Copyright © 2014-2019 Ilkka Seppälä
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
 package com.iluwatar.specialcase;

 public interface ApplicationServices {
--- a/special-case/src/main/java/com/iluwatar/specialcase/ApplicationServicesImpl.java
+++ b/special-case/src/main/java/com/iluwatar/specialcase/ApplicationServicesImpl.java
@ -1,3 +1,26 @@
+/*
+ * The MIT License
+ * Copyright © 2014-2019 Ilkka Seppälä
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
 package com.iluwatar.specialcase;

 public class ApplicationServicesImpl implements ApplicationServices {
--- a/special-case/src/main/java/com/iluwatar/specialcase/Db.java
+++ b/special-case/src/main/java/com/iluwatar/specialcase/Db.java
@ -1,3 +1,26 @@
+/*
+ * The MIT License
+ * Copyright © 2014-2019 Ilkka Seppälä
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
 package com.iluwatar.specialcase;

 import java.util.HashMap;
--- a/special-case/src/main/java/com/iluwatar/specialcase/DomainServices.java
+++ b/special-case/src/main/java/com/iluwatar/specialcase/DomainServices.java
@ -1,3 +1,26 @@
+/*
+ * The MIT License
+ * Copyright © 2014-2019 Ilkka Seppälä
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
 package com.iluwatar.specialcase;

 public interface DomainServices {
--- a/special-case/src/main/java/com/iluwatar/specialcase/DomainServicesImpl.java
+++ b/special-case/src/main/java/com/iluwatar/specialcase/DomainServicesImpl.java
@ -1,3 +1,26 @@
+/*
+ * The MIT License
+ * Copyright © 2014-2019 Ilkka Seppälä
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
 package com.iluwatar.specialcase;

 public class DomainServicesImpl implements DomainServices {
--- a/special-case/src/main/java/com/iluwatar/specialcase/DownForMaintenance.java
+++ b/special-case/src/main/java/com/iluwatar/specialcase/DownForMaintenance.java
@ -1,3 +1,26 @@
+/*
+ * The MIT License
+ * Copyright © 2014-2019 Ilkka Seppälä
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
 package com.iluwatar.specialcase;

 import org.slf4j.Logger;
--- a/special-case/src/main/java/com/iluwatar/specialcase/InsufficientFunds.java
+++ b/special-case/src/main/java/com/iluwatar/specialcase/InsufficientFunds.java
@ -1,3 +1,26 @@
+/*
+ * The MIT License
+ * Copyright © 2014-2019 Ilkka Seppälä
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
 package com.iluwatar.specialcase;

 import org.slf4j.Logger;
--- a/special-case/src/main/java/com/iluwatar/specialcase/InvalidUser.java
+++ b/special-case/src/main/java/com/iluwatar/specialcase/InvalidUser.java
@ -1,3 +1,26 @@
+/*
+ * The MIT License
+ * Copyright © 2014-2019 Ilkka Seppälä
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
 package com.iluwatar.specialcase;

 import org.slf4j.Logger;
--- a/special-case/src/main/java/com/iluwatar/specialcase/MaintenanceLock.java
+++ b/special-case/src/main/java/com/iluwatar/specialcase/MaintenanceLock.java
@ -1,3 +1,26 @@
+/*
+ * The MIT License
+ * Copyright © 2014-2019 Ilkka Seppälä
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
 package com.iluwatar.specialcase;

 import org.slf4j.Logger;
--- a/special-case/src/main/java/com/iluwatar/specialcase/MoneyTransaction.java
+++ b/special-case/src/main/java/com/iluwatar/specialcase/MoneyTransaction.java
@ -1,3 +1,26 @@
+/*
+ * The MIT License
+ * Copyright © 2014-2019 Ilkka Seppälä
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
 package com.iluwatar.specialcase;

 public class MoneyTransaction {
--- a/special-case/src/main/java/com/iluwatar/specialcase/OutOfStock.java
+++ b/special-case/src/main/java/com/iluwatar/specialcase/OutOfStock.java
@ -1,3 +1,26 @@
+/*
+ * The MIT License
+ * Copyright © 2014-2019 Ilkka Seppälä
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
 package com.iluwatar.specialcase;

 import org.slf4j.Logger;
--- a/special-case/src/main/java/com/iluwatar/specialcase/ReceiptDto.java
+++ b/special-case/src/main/java/com/iluwatar/specialcase/ReceiptDto.java
@ -1,3 +1,26 @@
+/*
+ * The MIT License
+ * Copyright © 2014-2019 Ilkka Seppälä
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
 package com.iluwatar.specialcase;

 import org.slf4j.Logger;
--- a/special-case/src/main/java/com/iluwatar/specialcase/ReceiptViewModel.java
+++ b/special-case/src/main/java/com/iluwatar/specialcase/ReceiptViewModel.java
@ -1,3 +1,26 @@
+/*
+ * The MIT License
+ * Copyright © 2014-2019 Ilkka Seppälä
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
 package com.iluwatar.specialcase;

 public interface ReceiptViewModel {
--- a/special-case/src/test/java/com/iluwatar/specialcase/AppTest.java
+++ b/special-case/src/test/java/com/iluwatar/specialcase/AppTest.java
@ -1,3 +1,26 @@
+/*
+ * The MIT License
+ * Copyright © 2014-2019 Ilkka Seppälä
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
 package com.iluwatar.specialcase;

 import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
--- a/special-case/src/test/java/com/iluwatar/specialcase/SpecialCasesTest.java
+++ b/special-case/src/test/java/com/iluwatar/specialcase/SpecialCasesTest.java
@ -1,3 +1,26 @@
+/*
+ * The MIT License
+ * Copyright © 2014-2019 Ilkka Seppälä
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
 package com.iluwatar.specialcase;

 import static org.junit.jupiter.api.Assertions.assertEquals;
--- a/strategy/README.md
+++ b/strategy/README.md
@ -122,6 +122,51 @@ Program output:
    You cast the spell of disintegration and the dragon vaporizes in a pile of dust!    
 ```

+What's more, the new feature Lambda Expressions in Java 8 provides another approach for the implementation:
+
+```java
+public class LambdaStrategy {
+
+  private static final Logger LOGGER = LoggerFactory.getLogger(LambdaStrategy.class);
+
+  public enum Strategy implements DragonSlayingStrategy {
+    MeleeStrategy(() -> LOGGER.info(
+        "With your Excalibur you severe the dragon's head!")),
+    ProjectileStrategy(() -> LOGGER.info(
+        "You shoot the dragon with the magical crossbow and it falls dead on the ground!")),
+    SpellStrategy(() -> LOGGER.info(
+        "You cast the spell of disintegration and the dragon vaporizes in a pile of dust!"));
+
+    private final DragonSlayingStrategy dragonSlayingStrategy;
+
+    Strategy(DragonSlayingStrategy dragonSlayingStrategy) {
+      this.dragonSlayingStrategy = dragonSlayingStrategy;
+    }
+
+    @Override
+    public void execute() {
+      dragonSlayingStrategy.execute();
+    }
+  }
+}
+```
+
+And here's the dragonslayer in action.
+
+```java
+    LOGGER.info("Green dragon spotted ahead!");
+    dragonSlayer.changeStrategy(LambdaStrategy.Strategy.MeleeStrategy);
+    dragonSlayer.goToBattle();
+    LOGGER.info("Red dragon emerges.");
+    dragonSlayer.changeStrategy(LambdaStrategy.Strategy.ProjectileStrategy);
+    dragonSlayer.goToBattle();
+    LOGGER.info("Black dragon lands before you.");
+    dragonSlayer.changeStrategy(LambdaStrategy.Strategy.SpellStrategy);
+    dragonSlayer.goToBattle();
+```
+
+Program output is the same as above one.
+
 ## Class diagram

 ![alt text](./etc/strategy_urm.png "Strategy")
--- a/strategy/etc/strategy.urm.puml
+++ b/strategy/etc/strategy.urm.puml
@ -14,6 +14,19 @@ package com.iluwatar.strategy {
  interface DragonSlayingStrategy {
    + execute() {abstract}
  }
+  class LambdaStrategy {
+    - LOGGER : Logger {static}
+    + LambdaStrategy()
+  }
+  enum Strategy {
+    + MeleeStrategy {static}
+    + ProjectileStrategy {static}
+    + SpellStrategy {static}
+    - dragonSlayingStrategy : DragonSlayingStrategy
+    + execute()
+    + valueOf(name : String) : Strategy {static}
+    + values() : Strategy[] {static}
+  }
  class MeleeStrategy {
    - LOGGER : Logger {static}
    + MeleeStrategy()
@ -30,7 +43,10 @@ package com.iluwatar.strategy {
    + execute()
  }
 }
+Strategy ..+ LambdaStrategy
+Strategy -->  "-dragonSlayingStrategy" DragonSlayingStrategy
 DragonSlayer -->  "-strategy" DragonSlayingStrategy
+Strategy ..|> DragonSlayingStrategy 
 MeleeStrategy ..|> DragonSlayingStrategy 
 ProjectileStrategy ..|> DragonSlayingStrategy 
 SpellStrategy ..|> DragonSlayingStrategy 
--- a/strategy/etc/strategy_urm.png
+++ b/strategy/etc/strategy_urm.png
--- a/strategy/src/main/java/com/iluwatar/strategy/App.java
+++ b/strategy/src/main/java/com/iluwatar/strategy/App.java
@ -45,7 +45,7 @@ public class App {
  
  /**
   * Program entry point.
-   * 
+   *
   * @param args command line args
   */
  public static void main(String[] args) {
@ -60,7 +60,7 @@ public class App {
    dragonSlayer.changeStrategy(new SpellStrategy());
    dragonSlayer.goToBattle();

-    // Java 8 Strategy pattern
+    // Java 8 functional implementation Strategy pattern
    LOGGER.info("Green dragon spotted ahead!");
    dragonSlayer = new DragonSlayer(
        () -> LOGGER.info("With your Excalibur you severe the dragon's head!"));
@ -73,5 +73,16 @@ public class App {
    dragonSlayer.changeStrategy(() -> LOGGER.info(
        "You cast the spell of disintegration and the dragon vaporizes in a pile of dust!"));
    dragonSlayer.goToBattle();
+
+    // Java 8 lambda implementation with enum Strategy pattern
+    LOGGER.info("Green dragon spotted ahead!");
+    dragonSlayer.changeStrategy(LambdaStrategy.Strategy.MeleeStrategy);
+    dragonSlayer.goToBattle();
+    LOGGER.info("Red dragon emerges.");
+    dragonSlayer.changeStrategy(LambdaStrategy.Strategy.ProjectileStrategy);
+    dragonSlayer.goToBattle();
+    LOGGER.info("Black dragon lands before you.");
+    dragonSlayer.changeStrategy(LambdaStrategy.Strategy.SpellStrategy);
+    dragonSlayer.goToBattle();
  }
 }
--- a/data-transfer-object-enum-impl/src/test/java/com/iluwatar/datatransferenum/AppTest.java
+++ b/data-transfer-object-enum-impl/src/test/java/com/iluwatar/datatransferenum/AppTest.java
@ -21,24 +21,32 @@
 * THE SOFTWARE.
 */

-package com.iluwatar.datatransferenum;
+package com.iluwatar.strategy;

-import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;

+public class LambdaStrategy {

-import org.junit.jupiter.api.Test;
+  private static final Logger LOGGER = LoggerFactory.getLogger(LambdaStrategy.class);

-class AppTest {
+  public enum Strategy implements DragonSlayingStrategy {
+    MeleeStrategy(() -> LOGGER.info(
+        "With your Excalibur you severe the dragon's head!")),
+    ProjectileStrategy(() -> LOGGER.info(
+        "You shoot the dragon with the magical crossbow and it falls dead on the ground!")),
+    SpellStrategy(() -> LOGGER.info(
+        "You cast the spell of disintegration and the dragon vaporizes in a pile of dust!"));

-  /**
-   * Issue: Add at least one assertion to this test case.
-   * <p>
-   * Solution: Inserted assertion to check whether the execution of the main method in {@link App#main(String[])}
-   * throws an exception.
-   */
+    private final DragonSlayingStrategy dragonSlayingStrategy;

-  @Test
-  void shouldExecuteApplicationWithoutException() {
-    assertDoesNotThrow(() -> App.main(new String[] {}));
+    Strategy(DragonSlayingStrategy dragonSlayingStrategy) {
+      this.dragonSlayingStrategy = dragonSlayingStrategy;
+    }
+
+    @Override
+    public void execute() {
+      dragonSlayingStrategy.execute();
+    }
  }
 }
--- a/tr/README.md
+++ b/tr/README.md
@ -0,0 +1,42 @@
+<!-- Biçimlendirme nedeniyle bu satır boş bırakılmalıdır böylelikle hoş bir görüntüye sahip olabiliriz. örneğin web sitesi -->
+
+![Java CI with Maven](https://github.com/iluwatar/java-design-patterns/workflows/Java%20CI%20with%20Maven/badge.svg)
+[![License MIT](https://img.shields.io/badge/license-MIT-blue.svg)](https://raw.githubusercontent.com/iluwatar/java-design-patterns/master/LICENSE.md)
+[![Lines of Code](https://sonarcloud.io/api/project_badges/measure?project=iluwatar_java-design-patterns&metric=ncloc)](https://sonarcloud.io/dashboard?id=iluwatar_java-design-patterns) 
+[![Coverage](https://sonarcloud.io/api/project_badges/measure?project=iluwatar_java-design-patterns&metric=coverage)](https://sonarcloud.io/dashboard?id=iluwatar_java-design-patterns)
+[![Join the chat at https://gitter.im/iluwatar/java-design-patterns](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/iluwatar/java-design-patterns?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+<!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
+[![All Contributors](https://img.shields.io/badge/all_contributors-148-orange.svg?style=flat-square)](#contributors-)
+<!-- ALL-CONTRIBUTORS-BADGE:END -->
+
+# Giriş
+
+Tasarım desenleri, bir yazılım mühendisi bir uygulamayı veya sistemi tasarlarken yaygın sorunları çözmek için kullanabileceği en iyi çözüm prensipleridir.
+
+Tasarım desenleri, test edilip kanıtlanmış prensipler olduğu için yazılım geliştirme sürecini hızlandırabilir.
+
+Tasarım desenlerini yeniden kullanmak, büyük sorunlara neden olan ince sorunları önlemeye yardımcı olur ve aynı zamanda tasarım desenlerine alışkın olan yazılım mühendisileri ve yazılım mimarları için kod okunabilirliğini artırır.
+
+# Başlangıç
+
+Bu site Java Tasarım Desenlerini sergiliyor. Çözümler, açık kaynak topluluğundan deneyimli yazılım mühendisileri ve yazılım mimarları tarafından geliştirilmiştir. Bu yazılım desenleri, detaylı açıklamalarıyla veya kaynak kodlarına bakılarak göz atılabilir. Kaynak kod örneklerinde iyi derecede açıklayıcı yorum satırlarına sahip olup ve belirli bir tasarım deseninin nasıl uygulanacağına dair programlama dersi olarak düşünülebilir. Savaşta en çok kanıtlanmış açık kaynak Java teknolojilerini kullanıyoruz.
+
+Bu projeye başlamadan önce çeşitli [Yazılım Tasarım İlkelerine](https://java-design-patterns.com/principles/) aşina olmalısınız.
+
+Tüm tasarımlar olabildiğince basit olmalıdır. [KISS](https://en.wikipedia.org/wiki/KISS_principle), [YAGNI](https://en.wikipedia.org/wiki/You_aren%27t_gonna_need_it) ve [Do The Simplest Thing That Could Possibly Work](https://learning.oreilly.com/library/view/extreme-programming-pocket/9781449399849/ch17.html) ilkeleri ile başlamalısınız.
+
+Bu kavramlara aşina olduktan sonra, aşağıdaki yaklaşımlardan herhangi birini kullanarak [mevcut tasarım desenlerini](https://java-design-patterns.com/patterns/) derinlemesine incelemeye başlayabilirsiniz.
+
+- İsme göre belirli bir tasarım deseni arayın. Bulamadınız mı? Lütfen yeni bir tasarım deseni için [bizim ile](https://github.com/iluwatar/java-design-patterns/issues) iletişime geçin.
+- Performance, Gang of Four ya da Data access gibi etiketleri kullanın.
+- Creational(Yaratıcı Tasarım Desenleri), Behavioral(Davranışsal Tasarım Desenleri), ve Structural(Yapısal Tasarım Desenleri) gibi tasarım kategorilerini kullanın.
+
+Umarım bu sitede sunulan nesne yönelimli çözümleri yazılım mimarileriniz için yararlı bulursunuz ve onları geliştirirken bizim kadar eğlenirsiniz.
+
+# Nasıl Katkı Sağlayabilirim
+
+Projeye katkıda bulunmaya istekliysen, ilgili bilgileri [geliştirici wiki'mizde](https://github.com/iluwatar/java-design-patterns/wiki) bulabilirsin. [Gitter](https://gitter.im/iluwatar/java-design-patterns) ile size yardımcı olacağız ve sorularınızı cevaplayacağız.
+
+# Lisans
+
+Bu proje, MIT lisansı koşulları altında lisanslanmıştır.
Author	SHA1	Message	Date
Ilkka Seppälä	06678a5888	#1617 update license headers	2021-01-24 20:07:40 +02:00
Ilkka Seppälä	11d0912c6e	#1617 merge dto pattern examples	2021-01-24 19:57:21 +02:00
Subhrodip Mohanta	3adc3cda05	update gitignore (#1632 ) .checkstyle files are being tracked which should not be	2021-01-24 11:17:05 +02:00
ignite1771	18a1a725ee	#1469 Add lambda expressions implementation for Strategy Pattern (#1631 ) * #1469 Add Strategy Pattern lambda implementation After Java 8. Also take advantage of enum * #1469 Update class diagrams * #1469 Update README.md Add lambda programmatic example * #1469 Remove unused imports Co-authored-by: Subhrodip Mohanta <subhrodipmohanta@gmail.com>	2021-01-19 12:06:26 +05:30
allcontributors[bot]	25ed2540f4	docs: add demirhalil as a contributor (#1630 ) * docs: update README.md [skip ci] * docs: update .all-contributorsrc [skip ci] Co-authored-by: allcontributors[bot] <46447321+allcontributors[bot]@users.noreply.github.com>	2021-01-16 21:00:23 +02:00
Ilkka Seppälä	aa46e119d6	Fix flag image size	2021-01-16 20:55:20 +02:00
Halil Demir	7e56491e92	#1625 Turkish translation - initialization part (#1629 ) * #1625 init Turkish translation and add the flag * #1625 update the Main README.md for Turkish translation * #1625 add Turkish translation for README.md Co-authored-by: Halil Demir <halil.demir@zalando.de>	2021-01-16 20:49:35 +02:00
allcontributors[bot]	6918a4bac2	docs: add ignite1771 as a contributor (#1626 ) * docs: update README.md [skip ci] * docs: update .all-contributorsrc [skip ci] Co-authored-by: allcontributors[bot] <46447321+allcontributors[bot]@users.noreply.github.com> Co-authored-by: Subhrodip Mohanta <subhrodipmohanta@gmail.com>	2021-01-13 13:31:11 +05:30