摘要: 1 public class Test{2 public static void main(String[] args){3 int num = _;4 if(num<0&&num==Math.abs(num)){5 Syst... 阅读全文
posted @ 2015-04-10 20:40 IT菜鸟~ 阅读(501) 评论(1) 推荐(0)