Added unit tests for each of the patterns.

abstract-factory/pom.xml

@@ -8,4 +8,11 @@
     <version>1.0-SNAPSHOT</version>
   </parent>
   <artifactId>abstract-factory</artifactId>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
 </project>

abstract-factory/src/test/java/com/iluwatar/AppTest.java

@@ -0,0 +1,13 @@
+package com.iluwatar;
+import org.junit.Test;
+
+import com.iluwatar.App;
+
+public class AppTest {
+
+	@Test
+	public void test() {
+		String[] args = {};
+		App.main(args);
+	}
+}

adapter/pom.xml

@@ -8,4 +8,11 @@
     <version>1.0-SNAPSHOT</version>
   </parent>
   <artifactId>adapter</artifactId>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
 </project>

adapter/src/test/java/com/iluwatar/AppTest.java

@@ -0,0 +1,12 @@
+package com.iluwatar;
+
+import org.junit.Test;
+
+public class AppTest {
+
+	@Test
+	public void test() {
+		String[] args = {};
+		App.main(args);
+	}
+}

bridge/pom.xml

@@ -8,4 +8,11 @@
     <version>1.0-SNAPSHOT</version>
   </parent>
   <artifactId>bridge</artifactId>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
 </project>

bridge/src/test/java/com/iluwatar/AppTest.java

@@ -0,0 +1,12 @@
+package com.iluwatar;
+
+import org.junit.Test;
+
+public class AppTest {
+
+	@Test
+	public void test() {
+		String[] args = {};
+		App.main(args);
+	}
+}

builder/pom.xml

@@ -8,4 +8,11 @@
     <version>1.0-SNAPSHOT</version>
   </parent>
   <artifactId>builder</artifactId>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
 </project>

builder/src/test/java/com/iluwatar/AppTest.java

@@ -0,0 +1,12 @@
+package com.iluwatar;
+
+import org.junit.Test;
+
+public class AppTest {
+
+	@Test
+	public void test() {
+		String[] args = {};
+		App.main(args);
+	}
+}

chain/pom.xml

@@ -8,4 +8,11 @@
     <version>1.0-SNAPSHOT</version>
   </parent>
   <artifactId>chain</artifactId>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
 </project>

chain/src/test/java/com/iluwatar/AppTest.java

@@ -0,0 +1,12 @@
+package com.iluwatar;
+
+import org.junit.Test;
+
+public class AppTest {
+
+	@Test
+	public void test() {
+		String[] args = {};
+		App.main(args);
+	}
+}

command/pom.xml

@@ -8,4 +8,11 @@
     <version>1.0-SNAPSHOT</version>
   </parent>
   <artifactId>command</artifactId>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
 </project>

command/src/test/java/com/iluwatar/AppTest.java

@@ -0,0 +1,12 @@
+package com.iluwatar;
+
+import org.junit.Test;
+
+public class AppTest {
+
+	@Test
+	public void test() {
+		String[] args = {};
+		App.main(args);
+	}
+}

composite/pom.xml

@@ -8,4 +8,11 @@
     <version>1.0-SNAPSHOT</version>
   </parent>
   <artifactId>composite</artifactId>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
 </project>

composite/src/test/java/com/iluwatar/AppTest.java

@@ -0,0 +1,12 @@
+package com.iluwatar;
+
+import org.junit.Test;
+
+public class AppTest {
+
+	@Test
+	public void test() {
+		String[] args = {};
+		App.main(args);
+	}
+}

decorator/pom.xml

@@ -8,4 +8,11 @@
     <version>1.0-SNAPSHOT</version>
   </parent>
   <artifactId>decorator</artifactId>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
 </project>

decorator/src/test/java/com/iluwatar/AppTest.java

@@ -0,0 +1,12 @@
+package com.iluwatar;
+
+import org.junit.Test;
+
+public class AppTest {
+
+	@Test
+	public void test() {
+		String[] args = {};
+		App.main(args);
+	}
+}

double-checked-locking/pom.xml

@@ -6,4 +6,11 @@
     <version>1.0-SNAPSHOT</version>
   </parent>
   <artifactId>double-checked-locking</artifactId>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
 </project>

double-checked-locking/src/test/java/com/iluwatar/AppTest.java

@@ -0,0 +1,12 @@
+package com.iluwatar;
+
+import org.junit.Test;
+
+public class AppTest {
+
+	@Test
+	public void test() {
+		String[] args = {};
+		App.main(args);
+	}
+}

facade/pom.xml

@@ -8,4 +8,11 @@
     <version>1.0-SNAPSHOT</version>
   </parent>
   <artifactId>facade</artifactId>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
 </project>

facade/src/test/java/com/iluwatar/AppTest.java

@@ -0,0 +1,12 @@
+package com.iluwatar;
+
+import org.junit.Test;
+
+public class AppTest {
+
+	@Test
+	public void test() {
+		String[] args = {};
+		App.main(args);
+	}
+}

factory-method/pom.xml

@@ -8,4 +8,11 @@
     <version>1.0-SNAPSHOT</version>
   </parent>
   <artifactId>factory-method</artifactId>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
 </project>

factory-method/src/test/java/com/iluwatar/AppTest.java

@@ -0,0 +1,12 @@
+package com.iluwatar;
+
+import org.junit.Test;
+
+public class AppTest {
+
+	@Test
+	public void test() {
+		String[] args = {};
+		App.main(args);
+	}
+}

flyweight/pom.xml

@@ -8,4 +8,11 @@
     <version>1.0-SNAPSHOT</version>
   </parent>
   <artifactId>flyweight</artifactId>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
 </project>

flyweight/src/test/java/com/iluwatar/AppTest.java

@@ -0,0 +1,12 @@
+package com.iluwatar;
+
+import org.junit.Test;
+
+public class AppTest {
+
+	@Test
+	public void test() {
+		String[] args = {};
+		App.main(args);
+	}
+}

interpreter/pom.xml

@@ -8,4 +8,11 @@
     <version>1.0-SNAPSHOT</version>
   </parent>
   <artifactId>interpreter</artifactId>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
 </project>

interpreter/src/test/java/com/iluwatar/AppTest.java

@@ -0,0 +1,12 @@
+package com.iluwatar;
+
+import org.junit.Test;
+
+public class AppTest {
+
+	@Test
+	public void test() {
+		String[] args = {};
+		App.main(args);
+	}
+}

iterator/pom.xml

@@ -8,4 +8,11 @@
     <version>1.0-SNAPSHOT</version>
   </parent>
   <artifactId>iterator</artifactId>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
 </project>

iterator/src/test/java/com/iluwatar/AppTest.java

@@ -0,0 +1,12 @@
+package com.iluwatar;
+
+import org.junit.Test;
+
+public class AppTest {
+
+	@Test
+	public void test() {
+		String[] args = {};
+		App.main(args);
+	}
+}

mediator/pom.xml

@@ -8,4 +8,11 @@
     <version>1.0-SNAPSHOT</version>
   </parent>
   <artifactId>mediator</artifactId>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
 </project>

mediator/src/test/java/com/iluwatar/AppTest.java

@@ -0,0 +1,12 @@
+package com.iluwatar;
+
+import org.junit.Test;
+
+public class AppTest {
+
+	@Test
+	public void test() {
+		String[] args = {};
+		App.main(args);
+	}
+}

memento/pom.xml

@@ -8,4 +8,11 @@
     <version>1.0-SNAPSHOT</version>
   </parent>
   <artifactId>memento</artifactId>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
 </project>

memento/src/test/java/com/iluwatar/AppTest.java

@@ -0,0 +1,12 @@
+package com.iluwatar;
+
+import org.junit.Test;
+
+public class AppTest {
+
+	@Test
+	public void test() {
+		String[] args = {};
+		App.main(args);
+	}
+}

model-view-presenter/pom.xml

@@ -14,7 +14,6 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.11</version>
       <scope>test</scope>
     </dependency>
     <dependency>

observer/pom.xml

@@ -8,4 +8,11 @@
     <version>1.0-SNAPSHOT</version>
   </parent>
   <artifactId>observer</artifactId>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
 </project>

observer/src/test/java/com/iluwatar/AppTest.java

@@ -0,0 +1,12 @@
+package com.iluwatar;
+
+import org.junit.Test;
+
+public class AppTest {
+
+	@Test
+	public void test() {
+		String[] args = {};
+		App.main(args);
+	}
+}

pom.xml

@@ -1,58 +1,70 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<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">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  <modelVersion>4.0.0</modelVersion>
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
 
-  <groupId>com.iluwatar</groupId>
+	<groupId>com.iluwatar</groupId>
-  <artifactId>java-design-patterns</artifactId>
+	<artifactId>java-design-patterns</artifactId>
-  <version>1.0-SNAPSHOT</version>
+	<version>1.0-SNAPSHOT</version>
-  <packaging>pom</packaging>
+	<packaging>pom</packaging>
 
-  <properties>
+	<properties>
-    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-  </properties>
+	</properties>
-  <modules>
+	<modules>
-    <module>abstract-factory</module>
+		<module>abstract-factory</module>
-    <module>builder</module>
+		<module>builder</module>
-    <module>factory-method</module>
+		<module>factory-method</module>
-    <module>prototype</module>
+		<module>prototype</module>
-    <module>singleton</module>
+		<module>singleton</module>
-    <module>adapter</module>
+		<module>adapter</module>
-    <module>bridge</module>
+		<module>bridge</module>
-    <module>composite</module>
+		<module>composite</module>
-    <module>decorator</module>
+		<module>decorator</module>
-    <module>facade</module>
+		<module>facade</module>
-    <module>flyweight</module>
+		<module>flyweight</module>
-    <module>proxy</module>
+		<module>proxy</module>
-    <module>chain</module>
+		<module>chain</module>
-    <module>command</module>
+		<module>command</module>
-    <module>interpreter</module>
+		<module>interpreter</module>
-    <module>iterator</module>
+		<module>iterator</module>
-    <module>mediator</module>
+		<module>mediator</module>
-    <module>memento</module>
+		<module>memento</module>
-    <module>model-view-presenter</module>
+		<module>model-view-presenter</module>
-    <module>observer</module>
+		<module>observer</module>
-    <module>state</module>
+		<module>state</module>
-    <module>strategy</module>
+		<module>strategy</module>
-    <module>template-method</module>
+		<module>template-method</module>
-    <module>visitor</module>
+		<module>visitor</module>
-    <module>double-checked-locking</module>
+		<module>double-checked-locking</module>
-    <module>servant</module>
+		<module>servant</module>
-    <module>service-locator</module>
+		<module>service-locator</module>
-  </modules>
+	</modules>
 
-<build>
+	<dependencyManagement>
-	<plugins>
+		<dependencies>
-		<!-- Tell maven to compile using Java 1.7 -->
+			<dependency>
-		<plugin>
+				<groupId>junit</groupId>
-			<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>junit</artifactId>
-			<artifactId>maven-compiler-plugin</artifactId>
+				<version>4.11</version>
-			<version>3.0</version>
+				<scope>test</scope>
-			<configuration>
+			</dependency>
-				<source>1.7</source>
+		</dependencies>
-				<target>1.7</target>
+	</dependencyManagement>
-			</configuration>
+
-		</plugin>
+	<build>
-	</plugins>
+		<plugins>
-</build>
+			<!-- Tell maven to compile using Java 1.7 -->
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-compiler-plugin</artifactId>
+				<version>3.0</version>
+				<configuration>
+					<source>1.7</source>
+					<target>1.7</target>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
 
 </project>

prototype/pom.xml

@@ -8,4 +8,11 @@
     <version>1.0-SNAPSHOT</version>
   </parent>
   <artifactId>prototype</artifactId>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
 </project>

prototype/src/test/java/com/iluwatar/AppTest.java

@@ -0,0 +1,12 @@
+package com.iluwatar;
+
+import org.junit.Test;
+
+public class AppTest {
+
+	@Test
+	public void test() {
+		String[] args = {};
+		App.main(args);
+	}
+}

proxy/pom.xml

@@ -8,4 +8,11 @@
     <version>1.0-SNAPSHOT</version>
   </parent>
   <artifactId>proxy</artifactId>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
 </project>

proxy/src/test/java/com/iluwatar/AppTest.java

@@ -0,0 +1,12 @@
+package com.iluwatar;
+
+import org.junit.Test;
+
+public class AppTest {
+
+	@Test
+	public void test() {
+		String[] args = {};
+		App.main(args);
+	}
+}

servant/pom.xml

@@ -8,4 +8,11 @@
     <version>1.0-SNAPSHOT</version>
   </parent>
   <artifactId>servant</artifactId>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
 </project>

servant/src/test/java/com/iluwatar/AppTest.java

@@ -0,0 +1,12 @@
+package com.iluwatar;
+
+import org.junit.Test;
+
+public class AppTest {
+
+	@Test
+	public void test() {
+		String[] args = {};
+		App.main(args);
+	}
+}

service-locator/pom.xml

@@ -8,4 +8,11 @@
     <version>1.0-SNAPSHOT</version>
   </parent>
   <artifactId>service-locator</artifactId>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
 </project>

service-locator/src/test/java/com/iluwatar/AppTest.java

@@ -0,0 +1,12 @@
+package com.iluwatar;
+
+import org.junit.Test;
+
+public class AppTest {
+
+	@Test
+	public void test() {
+		String[] args = {};
+		App.main(args);
+	}
+}

singleton/pom.xml

@@ -8,4 +8,11 @@
     <version>1.0-SNAPSHOT</version>
   </parent>
   <artifactId>singleton</artifactId>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
 </project>

singleton/src/test/java/com/iluwatar/AppTest.java

@@ -0,0 +1,12 @@
+package com.iluwatar;
+
+import org.junit.Test;
+
+public class AppTest {
+
+	@Test
+	public void test() {
+		String[] args = {};
+		App.main(args);
+	}
+}

state/pom.xml

@@ -8,4 +8,11 @@
     <version>1.0-SNAPSHOT</version>
   </parent>
   <artifactId>state</artifactId>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
 </project>

state/src/test/java/com/iluwatar/AppTest.java

@@ -0,0 +1,12 @@
+package com.iluwatar;
+
+import org.junit.Test;
+
+public class AppTest {
+
+	@Test
+	public void test() {
+		String[] args = {};
+		App.main(args);
+	}
+}

strategy/pom.xml

@@ -8,4 +8,11 @@
     <version>1.0-SNAPSHOT</version>
   </parent>
   <artifactId>strategy</artifactId>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
 </project>

strategy/src/test/java/com/iluwatar/AppTest.java

@@ -0,0 +1,12 @@
+package com.iluwatar;
+
+import org.junit.Test;
+
+public class AppTest {
+
+	@Test
+	public void test() {
+		String[] args = {};
+		App.main(args);
+	}
+}

template-method/pom.xml

@@ -8,4 +8,11 @@
     <version>1.0-SNAPSHOT</version>
   </parent>
   <artifactId>template-method</artifactId>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
 </project>

template-method/src/test/java/com/iluwatar/AppTest.java

@@ -0,0 +1,12 @@
+package com.iluwatar;
+
+import org.junit.Test;
+
+public class AppTest {
+
+	@Test
+	public void test() {
+		String[] args = {};
+		App.main(args);
+	}
+}

visitor/pom.xml

@@ -8,4 +8,11 @@
     <version>1.0-SNAPSHOT</version>
   </parent>
   <artifactId>visitor</artifactId>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
 </project>

visitor/src/test/java/com/iluwatar/AppTest.java

@@ -0,0 +1,12 @@
+package com.iluwatar;
+
+import org.junit.Test;
+
+public class AppTest {
+
+	@Test
+	public void test() {
+		String[] args = {};
+		App.main(args);
+	}
+}