Java integer equals 的相关内容

【BUG日记】【JAVA】使用==判断两个Integer类型的值，发现if语句不起作用（正确做法：使用的判断是equals()去判断）

【日期】： 2021/10/12【问题】：使用==判断两个Integer类型的值，发现if语句不起作用【原因】：在jdk源码中，使用==比较Integer类型时，默认会缓存 -128至127（包括-128和127），如果超过这个范围&#...

java Integer类中的equals(Object obj)方法的作用是什么？

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更新时间 2024-04-30 09:15:50

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