摘要: public void contextLoads() { int a=5; int b=4; a = a^b; b= a^b; a = a^b; System.out.println("a=" +a); System.out.println("b=" +b); } 阅读全文
posted @ 2020-05-21 17:22 Nullpointer_dxy 阅读(214) 评论(0) 推荐(0)
摘要: 阅读全文
posted @ 2020-05-21 09:20 Nullpointer_dxy 阅读(138) 评论(0) 推荐(0)