Update Hello.java

Hello.java

@@ -1,7 +1,8 @@
-package RG;
-
-public class Hello {
-	public static void main(String args[]){
-		System.out.println("Hello World!");
-	}
-}
+package RG;
+
+public class Hello {
+	public static void main(String args[]){
+		System.out.println("Hello World!");
+      System.out.println("Goodbye World!");
+	}
+}