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摘要: 1 首先看一下以下代码: Integer b=7; Integer c=7; Integer r=234; Integer d=234; System.out.println(b==c); System.out.println(b.equals(c)); System.out.println(r== 阅读全文
posted @ 2020-03-24 23:25 carrykai 阅读(175) 评论(0) 推荐(0) 编辑