Added Structural pattern folder

Author: bhagat-hrishi

Design patterns/Structural Pattern/Decorator/DecoratorDemo.java

@@ -0,0 +1,24 @@
+/*
+ 1)Object at central is called Component and one wrapping component is call Decorator
+ and one wrapping decorator is called Decorator
+ 2)Attach additional responsibilities to an object dynamically.
+*/
+
+abstract class ok 
+{
+ abstract void m1();
+ void m2()
+ {
+ System.out.println("This is data from m2");
+ }
+}
+class DecoratorDemo extends ok {
+ void m1()
+ {
+ System.out.println("This is frmo m1");
+ }
+ public static void main(String[] args) {
+ DecoratorDemo obj = new DecoratorDemo();
+ obj.m2();
+ }
+}