摘要: 1.非静态方法重写public class Test { public static void main(String[] args) throws Exception { Tree pine = new Pine(); Tree oak = new Oak(); ... 阅读全文
posted @ 2015-05-11 18:45 快乐的欧阳天美1114 阅读(1329) 评论(1) 推荐(0) 编辑