package overriding;
/** Overriding example. 
 * doSomething(int) overrides the method defined in class B. 
 */
public class B extends A {

	void doSomething(int k) {
		System.out.println("Class B");
	}

	public static void main(String[] args) {
		A a = new A();
		a.doSomething(1);
		B b = new B(); // Create an instance of class B
		b.doSomething(2); // Access class B method
		// doSomething() will be
		// called.

		A ab = new B(); // Create an instance of class B
		// but use A type reference.

		ab.doSomething(3);// Though the A type reference
		// is used, the class B method
		// doSomething() will be called.
	}
}