摘要: public static void main(String[] args) { Set set = new HashSet(); Test t1 = new Test("aaa"); Test t2 = new Test("aaa"); set.add(t1); set.add(t2); System.out.println(set.size()); //我们对于... 阅读全文
posted @ 2017-10-21 09:36 李勇888 阅读(152) 评论(0) 推荐(0)