1) Over riding program execution of only sub class method.

source code name: override.java

 class A

{

void show()

{

System.out.println(" super class method");

}

}

class B extends A

{

void show()

{

System.out.println(" sub  class method");

}

}

class override

{

public static void main(String as[])

{

System.out.println("over riding in Inheritance");

B ob=new B();

ob.show();

ob.show();

}

}

output:

over riding in Inheritance

 sub  class method

 sub  class method