Reach milestone 1.25.0

Co-authored-by: zhangwenhe <zhangwh@ehualu.com>

.all-contributorsrc

@@ -1703,6 +1703,24 @@
       "contributions": [
         "translation"
       ]
+    },
+    {
+      "login": "Fiordy",
+      "name": "Fiordy",
+      "avatar_url": "https://avatars.githubusercontent.com/u/53420573?v=4",
+      "profile": "https://github.com/Fiordy",
+      "contributions": [
+        "doc"
+      ]
+    },
+    {
+      "login": "harshalkh",
+      "name": "Harshal",
+      "avatar_url": "https://avatars.githubusercontent.com/u/37841724?v=4",
+      "profile": "https://github.com/harshalkh",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7,

.github/workflows/maven-ci.yml

@@ -24,6 +24,9 @@
 # This workflow will build a Java project with Maven
 # For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-maven
 
+# We are using two jobs here for testing our code on the latest JDK 11 build as well as a more satble build version of 11.0.3
+# You can see the full discussion here https://github.com/iluwatar/java-design-patterns/pull/1868#issue-1029459688
+
 name: Java CI
 
 on:
@@ -33,12 +36,11 @@ on:
 
 jobs:
 
-  build:
+  # This Workflow Job will build this project and run Sonar analysis using JDK 11.0.3
+  build-and-analyze:
 
+    name: Build and Run Sonar analysis on JDK 11.0.3
     runs-on: ubuntu-20.04
-    strategy:
-      matrix:
-        java-version: [ 11.0.3, 11 ]
     steps:
 
     - name: Checkout Code
@@ -47,12 +49,14 @@ jobs:
         # Disabling shallow clone for improving relevancy of SonarQube reporting
         fetch-depth: 0
 
-    - name: Set up JDK ${{ matrix.java-version }}
+    - name: Set up JDK 11.0.3
       uses: actions/setup-java@v2
       with:
-        java-version: ${{ matrix.java-version }}
+        java-version: 11.0.3
         distribution: 'zulu'
+        cache: 'maven'
 
+    # Cache Sonar packages which as used to run anaylysis and collect metrics
     - name: Cache SonarCloud packages
       uses: actions/cache@v2
       with:
@@ -60,14 +64,6 @@ jobs:
         key: ${{ runner.os }}-sonar
         restore-keys: ${{ runner.os }}-sonar
 
-    - name: Cache Maven dependencies
-      uses: actions/cache@v2
-      with:
-        path: ~/.m2/repository
-        key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
-        restore-keys: |
-          ${{ runner.os }}-maven-
-
     # Some tests need screen access
     - name: Install xvfb
       run: sudo apt-get install -y xvfb
@@ -78,3 +74,28 @@ jobs:
         # These two env variables are needed for sonar analysis
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+
+  
+  # This Workflow Job is going to build the project on the latest stable JDK 11
+  build:
+
+    name: Build and Test on JDK 11
+    runs-on: ubuntu-20.04
+    steps:
+
+    - name: Checkout Code
+      uses: actions/checkout@v2
+
+    - name: Set up JDK 11 (Latest)
+      uses: actions/setup-java@v2
+      with:
+        java-version: 11
+        distribution: 'zulu'
+        cache: 'maven'
+
+    # Some tests need screen access
+    - name: Install xvfb
+      run: sudo apt-get install -y xvfb
+
+    - name: Build with Maven
+      run: xvfb-run ./mvnw clean verify

.github/workflows/maven-pr-builder.yml

@@ -34,11 +34,13 @@ on:
 jobs:
   build:
 
+    name: Build JDP
     runs-on: ubuntu-20.04
     strategy:
       matrix:
         java-version: [ 11.0.3, 11 ]
     steps:
+    
     - name: Checkout Code
       uses: actions/checkout@v2
     
@@ -47,14 +49,7 @@ jobs:
       with:
         java-version: ${{ matrix.java-version }}
         distribution: 'zulu'
-    
-    - name: Cache Maven Dependecies
-      uses: actions/cache@v2
-      with:
-        path: ~/.m2/repository
-        key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
-        restore-keys: |
-          ${{ runner.os }}-maven-
+        cache: 'maven'
     
     # Some tests need screen access
     - name: Install xvfb

README.md

@@ -10,7 +10,7 @@
 [![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-187-orange.svg?style=flat-square)](#contributors-)
+[![All Contributors](https://img.shields.io/badge/all_contributors-189-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 <br/>
@@ -315,6 +315,8 @@ This project is licensed under the terms of the MIT license.
     <td align="center"><a href="https://github.com/ManviGoel26"><img src="https://avatars.githubusercontent.com/u/55682355?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Manvi Goel</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=ManviGoel26" title="Documentation">📖</a></td>
     <td align="center"><a href="https://github.com/blueberry404"><img src="https://avatars.githubusercontent.com/u/39243539?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Anum Amin</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=blueberry404" title="Documentation">📖</a></td>
     <td align="center"><a href="https://uh-zz.github.io/blog/"><img src="https://avatars.githubusercontent.com/u/47747828?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Reo Uehara</b></sub></a><br /><a href="#translation-uh-zz" title="Translation">🌍</a></td>
+    <td align="center"><a href="https://github.com/Fiordy"><img src="https://avatars.githubusercontent.com/u/53420573?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Fiordy</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=Fiordy" title="Documentation">📖</a></td>
+    <td align="center"><a href="https://github.com/harshalkh"><img src="https://avatars.githubusercontent.com/u/37841724?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Harshal</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=harshalkh" title="Code">💻</a></td>
   </tr>
 </table>
 

abstract-document/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <artifactId>java-design-patterns</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>abstract-document</artifactId>
   <dependencies>

abstract-factory/README.md

@@ -87,24 +87,36 @@ public interface KingdomFactory {
 }
 
 public class ElfKingdomFactory implements KingdomFactory {
+
+  @Override
   public Castle createCastle() {
     return new ElfCastle();
   }
+
+  @Override
   public King createKing() {
     return new ElfKing();
   }
+
+  @Override
   public Army createArmy() {
     return new ElfArmy();
   }
 }
 
 public class OrcKingdomFactory implements KingdomFactory {
+
+  @Override
   public Castle createCastle() {
     return new OrcCastle();
   }
+
+  @Override
   public King createKing() {
     return new OrcKing();
   }
+  
+  @Override
   public Army createArmy() {
     return new OrcArmy();
   }

abstract-factory/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>abstract-factory</artifactId>
   <dependencies>

active-object/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>active-object</artifactId>
   <dependencies>

acyclic-visitor/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>acyclic-visitor</artifactId>
   <properties>

adapter/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>adapter</artifactId>
   <dependencies>

aggregator-microservices/aggregator-service/pom.xml

@@ -27,7 +27,7 @@
   <parent>
     <artifactId>aggregator-microservices</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>aggregator-service</artifactId>

aggregator-microservices/information-microservice/pom.xml

@@ -27,7 +27,7 @@
   <parent>
     <artifactId>aggregator-microservices</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>information-microservice</artifactId>

aggregator-microservices/inventory-microservice/pom.xml

@@ -27,7 +27,7 @@
   <parent>
     <artifactId>aggregator-microservices</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>inventory-microservice</artifactId>

aggregator-microservices/pom.xml

@@ -27,7 +27,7 @@
   <parent>
     <artifactId>java-design-patterns</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>aggregator-microservices</artifactId>

ambassador/pom.xml

@@ -27,7 +27,7 @@
   <parent>
     <artifactId>java-design-patterns</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>ambassador</artifactId>

api-gateway/api-gateway-service/pom.xml

@@ -27,7 +27,7 @@
   <parent>
     <artifactId>api-gateway</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>api-gateway-service</artifactId>

api-gateway/image-microservice/pom.xml

@@ -27,7 +27,7 @@
   <parent>
     <artifactId>api-gateway</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>image-microservice</artifactId>

api-gateway/pom.xml

@@ -27,7 +27,7 @@
   <parent>
     <artifactId>java-design-patterns</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>api-gateway</artifactId>

api-gateway/price-microservice/pom.xml

@@ -27,7 +27,7 @@
   <parent>
     <artifactId>api-gateway</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>price-microservice</artifactId>

arrange-act-assert/pom.xml

@@ -27,7 +27,7 @@
   <parent>
     <artifactId>java-design-patterns</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>arrange-act-assert</artifactId>

async-method-invocation/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>async-method-invocation</artifactId>
   <dependencies>

balking/pom.xml

@@ -27,7 +27,7 @@
   <parent>
     <artifactId>java-design-patterns</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>balking</artifactId>

bridge/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>bridge</artifactId>
   <dependencies>

builder/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>builder</artifactId>
   <dependencies>

business-delegate/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>business-delegate</artifactId>
   <dependencies>

bytecode/pom.xml

@@ -27,7 +27,7 @@
   <parent>
     <artifactId>java-design-patterns</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>bytecode</artifactId>

caching/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>caching</artifactId>
   <dependencies>

callback/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>callback</artifactId>
   <dependencies>

chain-of-responsibility/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>chain-of-responsibility</artifactId>
   <dependencies>

circuit-breaker/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>circuit-breaker</artifactId>
   <dependencies>

collection-pipeline/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>collection-pipeline</artifactId>
   <dependencies>

combinator/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>combinator</artifactId>
   <dependencies>

command/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>command</artifactId>
   <dependencies>

commander/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>commander</artifactId>
   <dependencies>

composite-entity/pom.xml

@@ -27,7 +27,7 @@
   <parent>
     <artifactId>java-design-patterns</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>composite-entity</artifactId>

composite/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>composite</artifactId>
   <dependencies>

converter/pom.xml

@@ -27,7 +27,7 @@
   <parent>
     <artifactId>java-design-patterns</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>converter</artifactId>
   <modelVersion>4.0.0</modelVersion>

cqrs/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>cqrs</artifactId>
   <dependencies>

dao/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>dao</artifactId>
   <dependencies>

data-bus/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>data-bus</artifactId>
   <dependencies>

data-locality/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>data-locality</artifactId>
   <dependencies>

data-mapper/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>data-mapper</artifactId>
   <dependencies>

data-transfer-object/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>data-transfer-object</artifactId>
   <dependencies>

decorator/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>decorator</artifactId>
   <dependencies>

delegation/pom.xml

@@ -27,7 +27,7 @@
   <parent>
     <artifactId>java-design-patterns</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>delegation</artifactId>

dependency-injection/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>dependency-injection</artifactId>
   <dependencies>

dirty-flag/pom.xml

@@ -28,10 +28,10 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>dirty-flag</artifactId>
-  <version>1.25.0-SNAPSHOT</version>
+  <version>1.25.0</version>
   <name>dirty-flag</name>
   <url>http://maven.apache.org</url>
   <properties>

domain-model/pom.xml

@@ -27,7 +27,7 @@
   <parent>
     <artifactId>java-design-patterns</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>domain-model</artifactId>

double-buffer/pom.xml

@@ -27,7 +27,7 @@
   <parent>
     <artifactId>java-design-patterns</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>double-buffer</artifactId>

double-checked-locking/pom.xml

@@ -27,7 +27,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>double-checked-locking</artifactId>
   <dependencies>

double-dispatch/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>double-dispatch</artifactId>
   <dependencies>

eip-aggregator/pom.xml

@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <dependencies>
     <dependency>

eip-message-channel/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>eip-message-channel</artifactId>
   <dependencies>

eip-publish-subscribe/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>eip-publish-subscribe</artifactId>
   <dependencies>

eip-splitter/pom.xml

@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <dependencies>
     <dependency>

eip-wire-tap/pom.xml

@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <dependencies>
     <dependency>

event-aggregator/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>event-aggregator</artifactId>
   <dependencies>

event-asynchronous/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>event-asynchronous</artifactId>
   <dependencies>

event-driven-architecture/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>event-driven-architecture</artifactId>
   <dependencies>

event-queue/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <artifactId>java-design-patterns</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>event-queue</artifactId>
   <dependencies>

event-sourcing/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <artifactId>java-design-patterns</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>event-sourcing</artifactId>
   <dependencies>

execute-around/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>execute-around</artifactId>
   <dependencies>

extension-objects/pom.xml

@@ -27,7 +27,7 @@
   <parent>
     <artifactId>java-design-patterns</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>extension-objects</artifactId>

facade/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>facade</artifactId>
   <dependencies>

factory-kit/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>factory-kit</artifactId>
   <dependencies>

factory-method/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>factory-method</artifactId>
   <dependencies>

factory-method/src/main/java/com/iluwatar/factory/method/App.java

@@ -41,6 +41,8 @@ import lombok.extern.slf4j.Slf4j;
 @Slf4j
 public class App {
 
+  private static final String MANUFACTURED = "{} manufactured {}";
+
   /**
    * Program entry point.
    * @param args command line args
@@ -49,14 +51,14 @@ public class App {
 
     Blacksmith blacksmith = new OrcBlacksmith();
     Weapon weapon = blacksmith.manufactureWeapon(WeaponType.SPEAR);
-    LOGGER.info("{} manufactured {}", blacksmith, weapon);
+    LOGGER.info(MANUFACTURED, blacksmith, weapon);
     weapon = blacksmith.manufactureWeapon(WeaponType.AXE);
-    LOGGER.info("{} manufactured {}", blacksmith, weapon);
+    LOGGER.info(MANUFACTURED, blacksmith, weapon);
 
     blacksmith = new ElfBlacksmith();
     weapon = blacksmith.manufactureWeapon(WeaponType.SPEAR);
-    LOGGER.info("{} manufactured {}", blacksmith, weapon);
+    LOGGER.info(MANUFACTURED, blacksmith, weapon);
     weapon = blacksmith.manufactureWeapon(WeaponType.AXE);
-    LOGGER.info("{} manufactured {}", blacksmith, weapon);
+    LOGGER.info(MANUFACTURED, blacksmith, weapon);
   }
 }

factory/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>factory</artifactId>
   <dependencies>

fanout-fanin/pom.xml

@@ -31,7 +31,7 @@
   <parent>
     <artifactId>java-design-patterns</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>fanout-fanin</artifactId>

feature-toggle/pom.xml

@@ -27,7 +27,7 @@
   <parent>
     <artifactId>java-design-patterns</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>feature-toggle</artifactId>

filterer/pom.xml

@@ -27,7 +27,7 @@
   <parent>
     <artifactId>java-design-patterns</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>filterer</artifactId>

fluentinterface/pom.xml

@@ -27,7 +27,7 @@
   <parent>
     <artifactId>java-design-patterns</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>fluentinterface</artifactId>

flux/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>flux</artifactId>
   <dependencies>

flyweight/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>flyweight</artifactId>
   <dependencies>

front-controller/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>front-controller</artifactId>
   <dependencies>

game-loop/pom.xml

@@ -27,7 +27,7 @@
   <parent>
     <artifactId>java-design-patterns</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>game-loop</artifactId>

guarded-suspension/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <packaging>jar</packaging>
   <artifactId>guarded-suspension</artifactId>

half-sync-half-async/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>half-sync-half-async</artifactId>
   <dependencies>

hexagonal/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>hexagonal</artifactId>
   <dependencies>

intercepting-filter/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>intercepting-filter</artifactId>
   <dependencies>

interpreter/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>interpreter</artifactId>
   <dependencies>

iterator/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>iterator</artifactId>
   <dependencies>

layers/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <groupId>com.iluwatar.layers</groupId>
   <artifactId>layers</artifactId>

lazy-loading/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>lazy-loading</artifactId>
   <dependencies>

leader-election/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <artifactId>java-design-patterns</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>leader-election</artifactId>
   <dependencies>

leader-followers/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>leader-followers</artifactId>
   <dependencies>

leader-followers/src/main/java/com/iluwatar/leaderfollowers/Worker.java

@@ -57,9 +57,11 @@ public class Worker implements Runnable {
       try {
         if (workCenter.getLeader() != null && !workCenter.getLeader().equals(this)) {
           synchronized (workCenter) {
-            workCenter.wait();
+            if (workCenter.getLeader() != null && !workCenter.getLeader().equals(this)) {
+              workCenter.wait();
+              continue;
+            }
           }
-          continue;
         }
         final Task task = taskSet.getTask();
         synchronized (workCenter) {

lockable-object/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>lockable-object</artifactId>
   <dependencies>

marker/pom.xml

@@ -27,7 +27,7 @@
   <parent>
     <artifactId>java-design-patterns</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>marker</artifactId>

master-worker-pattern/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>master-worker-pattern</artifactId>
   <dependencies>

mediator/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>mediator</artifactId>
   <dependencies>

memento/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>memento</artifactId>
   <dependencies>

model-view-controller/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>model-view-controller</artifactId>
   <dependencies>

model-view-presenter/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>model-view-presenter</artifactId>
   <name>model-view-presenter</name>

model-view-viewmodel/pom.xml

@@ -32,11 +32,11 @@
   <parent>
     <artifactId>java-design-patterns</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <groupId>com.iluwatar</groupId>
   <artifactId>model-view-viewmodel</artifactId>
-  <version>1.25.0-SNAPSHOT</version>
+  <version>1.25.0</version>
   <properties>
     <zk.version>9.0.0</zk.version>
     <guava.version>19.0</guava.version>

module/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>module</artifactId>
   <dependencies>

monad/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>monad</artifactId>
   <dependencies>

monostate/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>monostate</artifactId>
   <dependencies>

multiton/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>multiton</artifactId>
   <dependencies>

mute-idiom/pom.xml

@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0-SNAPSHOT</version>
+    <version>1.25.0</version>
   </parent>
   <artifactId>mute-idiom</artifactId>
   <dependencies>