diff --git a/DataStructuresJava/src/Demo1.java b/DataStructuresJava/src/Demo1.java
new file mode 100644
index 0000000..b152dd6
--- /dev/null
+++ b/DataStructuresJava/src/Demo1.java
@@ -0,0 +1,9 @@
+
+public class Demo1 {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		System.out.println("Hi");
+}
+
+}
diff --git a/DataStructuresJava/src/LinkedList.java b/DataStructuresJava/src/LinkedList.java
index 1c569a7..2d5e8d0 100644
--- a/DataStructuresJava/src/LinkedList.java
+++ b/DataStructuresJava/src/LinkedList.java
@@ -85,5 +85,9 @@ public void show()
 			node = node.next;
 		}
 		System.out.println(node.data);
+		
+		System.out.println("Hello World!");
+		System.out.println("Hello World1!");
+		System.out.println("Hello World2!");
 	}
 }
diff --git a/GitDemo b/GitDemo
new file mode 160000
index 0000000..73b7807
--- /dev/null
+++ b/GitDemo
@@ -0,0 +1 @@
+Subproject commit 73b7807783888a0315f38d8fbeeed9ed8172a74d