Implement abstract class with Single Inheritance

Write a program in Java to implement abstract class with Single
Inheritance and one Abstract class and one fully implemented method of super
class.

Program:

abstract
class A

 {

     abstract void show();  

 }

class B
extends A

 {  

  void show()

    {

     System.out.println("Hello A");

     System.out.println("Hello B" );

    }

}

class
Sk19

 {

  public
static void main(String args[])

   {

    B objB=new B();

    objB.show();

  

    }

 }

Compile:

D:\>javac
Sk19.java

Run:

D:\>java
Sk19

Output:

Hello A

Hello B