overriding

Author: ajitkumar1264

overriding_java

@@ -0,0 +1,62 @@
+
+//example of the overriding method
+//return type and signature(parameter) same means the overriding method
+
+class a1
+{
+     void hell()
+    {
+        System.out.println("hell i am from a1");
+    }
+}
+
+class b1 extends a1
+{
+     void hell()
+    {
+
+        System.out.println("hello i am from b1");
+    }
+}
+
+class c1 extends b1{
+     void hell()
+    {
+        System.out.println("hello i am from c1");
+    }
+}
+
+public class polymorph {
+
+    public static void main(String[] args)
+    {
+        //where c1 is called reference
+        // where c1() is called instance
+
+
+        //c1 obj1=new c1();
+       // obj1.hell();
+
+        // now we take the reference of b1 and instance c1 as same
+
+       // b1 obj1=new c1();
+      //  obj1.hell();
+
+        //it's means that if we change the instance than automatically
+        //sentence will be changed or method /function will be change
+
+        //reference is a1 and instance c1
+        //output is of c1 method is display
+
+       // a1 obj1=new c1();
+        //obj1.hell();
+
+        //reference is a1 and instance b1
+        //output is of b1 method is display
+
+       // a1 obj1=new b1();
+       // obj1.hell();
+
+
+    }
+}