Java Program for Abstract class and Abstract method

Write a Java program for abstract class and abstract method.

Source Code
abstract class LivingThing {

	public void breath() {   //Concrete method
		System.out.println("Living Thing breathing...");

	public void eat() {
		System.out.println("Living Thing eating...");
	* Abstract method walk()
	* We want this method to be implemented by a
	* Concrete class.
	public abstract void walk();

public class Human extends LivingThing
	public void walk() {
		System.out.println("Human walks...");
	public static void main(String[] args) {
		System.out.println("Hello from main");
		Human h = new Human();
Hello from main
Living Thing breathing...
Living Thing eating...
Human walks...