摘要: 先看一个现象 Integer a = 1000; Integer b = 1000; System.out.println(a==b); System.out.println(a.equals(b)); Integer c = 100; Integer d = 100; System.out.pri 阅读全文
posted @ 2020-12-30 21:58 全栈老刘 阅读(351) 评论(0) 推荐(0) 编辑