diff --git a/Personal/Test Driven Development/Hello World/src/main/java/hello/world/App.java b/Personal/Test Driven Development/Hello World/src/main/java/hello/world/App.java
new file mode 100644
index 0000000..6486350
--- /dev/null
+++ b/Personal/Test Driven Development/Hello World/src/main/java/hello/world/App.java	
@@ -0,0 +1,13 @@
+package hello.world;
+
+/**
+ * Hello world!
+ *
+ */
+public class App 
+{
+    public static void main( String[] args )
+    {
+        System.out.println("Hello World!");
+    }
+}
diff --git a/Personal/Test Driven Development/Hello World/src/main/java/hello/world/Greeting.java b/Personal/Test Driven Development/Hello World/src/main/java/hello/world/Greeting.java
new file mode 100644
index 0000000..7143720
--- /dev/null
+++ b/Personal/Test Driven Development/Hello World/src/main/java/hello/world/Greeting.java	
@@ -0,0 +1,17 @@
+package hello.world;
+
+public class Greeting {
+    String message;
+
+    public Greeting() {
+
+    }
+
+    public Greeting(String message) {
+        this.message = message;
+    }
+
+    public String getMessage() { return message; }
+    public void setMessage(String message) { this.message = message; }
+    
+}
diff --git a/Personal/Test Driven Development/Hello World/src/main/java/hello/world/HelloWorld.java b/Personal/Test Driven Development/Hello World/src/main/java/hello/world/HelloWorld.java
new file mode 100644
index 0000000..9f638fc
--- /dev/null
+++ b/Personal/Test Driven Development/Hello World/src/main/java/hello/world/HelloWorld.java	
@@ -0,0 +1,12 @@
+package hello.world;
+
+/**
+ * Hello world!
+ *
+ */
+public class HelloWorld {
+    public static void main(String[] args) {
+        Greeting greeting = new Greeting("Hello World");
+        System.out.println(greeting.getMessage());
+    }
+}
diff --git a/Personal/Test Driven Development/Hello World/src/test/java/hello/world/HelloWorldTest.java b/Personal/Test Driven Development/Hello World/src/test/java/hello/world/HelloWorldTest.java
new file mode 100644
index 0000000..a5a64f3
--- /dev/null
+++ b/Personal/Test Driven Development/Hello World/src/test/java/hello/world/HelloWorldTest.java	
@@ -0,0 +1,25 @@
+package hello.world;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+
+/**
+ * Unit test for simple App.
+ */
+public class HelloWorldTest {
+    /**
+     * Rigorous Test :-)
+     */
+    @Test
+    public void greetingMessageShouldPass() {
+        Greeting greeting = new Greeting("Hello World");
+        assertEquals("Hello World", greeting.getMessage());
+    }
+
+    @Test
+    public void greetingMessageShouldFail() {
+        Greeting greeting = new Greeting("Not Hello World");
+        assertEquals("Hello World", greeting.getMessage());
+    }
+}