implement inheritance

Author: ProshantaDebnath

20.Write a java program to implement interface.java

@@ -0,0 +1,20 @@
+interface AreaOfRectangle {
+     void method();
+}
+class NewClass implements AreaOfRectangle
+{
+
+    public void method()
+    {
+        int a=100,b=200;
+        System.out.println("Area of Rectangle is : "+ (a*b));
+    }
+}
+
+public class ImplementInterface{
+    public static void main(String arg[])
+    {
+        NewClass obj = new NewClass();
+        obj.method();
+    }
+}