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equals方法深入解析

写在前面最初接触java的时候，都会有涉及equals和==的区别，最经典的案例就是用String类型的数据作类比。最常见的说法就是：equals比较的是值，==比较的是引用地址。首先这种说法是错误的，也有人认为这种说法是不完全正确的（至少对于String这个类来说这种说法是没问题...

关于Java中==与equals的解析

在我们初学Java时，可能会经常碰到下面的代码：运行结果如下：　　也许你会很困惑，为什么输出结果不一样？==和equals方法之间的区别是什么？如果在初学Java的时候这个问题不弄清楚，就会导致自己在以后编写代码时出现一些低级的错误。今天就来一起了解一下==和equals方法的区别之处。一.关...

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equals和hashCode源码解析

equals和hashCode网上也有很多的资料。这里只是记录下我目前的理解与认识。大家会经常听到这样的话，当你重写equals方法时，尽量要重写hashCode方法，有些人却并不知道为什么要这样，待会就会给出源码说明这个原因。首先来介绍下Object的equals和ha...

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