HEAD FIRST这系列的书,真的让人产生阅读的快感~~:)
和那套明日科技的一样,。。
interface Nose { public int iMethod(); } abstract class Picasso implements Nose { public int iMethod() { return 7; } } class Clowns extends Picasso { //pass } class Acts extends Picasso { public int iMethod() { return 5; } } public class DotComBust extends Clowns { public static void main(String [] args) { Nose [] i = new Nose [3]; i[0] = new Acts(); i[1] = new Clowns(); i[2] = new DotComBust(); for (int x = 0; x < 3; x++) { System.out.println(i[x].iMethod() + " " + i[x].getClass()); } } }