/** Find out whether interfaces are inherited.
 * Start with Thread which implements Runnable.
 */
public class InterfaceInherit extends Thread {
	public static void main(String[] a) {
		new InterfaceInherit().start();
	}
	public void run() {
		if (this instanceof InterfaceInherit)
		System.out.println("This is InterfaceInherit");
		if (this instanceof Thread)
		System.out.println("This is Thread");
		if (this instanceof Runnable)
		System.out.println("This is Thread -- Interfaces ARE inherited!");
	}
}