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史上最全的Java容器集合之HashMap（源码解读）（二）

HashMap的成员方法put方法//向哈希表中添加元素 public V put(K key, V value) { return putVal(hash(key), key, value, false, true); } 复制代码向用户开放的put方法调用的是putVal方法：putVal方法...

史上最全的Java容器集合之HashMap（源码解读）（一）

一什么是MapMap是一个接口，他是key-value的键值对，一个map不能包含重复的key，并且每一个key只能映射一个value；Map接口提供了三个集合视图：key的集合，value的集合，key-value的集合；Map内元素的顺序取决于Iterator的具体实现逻辑&#x...

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史上最全的Java容器集合之HashMap（源码解读）（下）

HashMap的构造方法/** *使用默认的容量及装载因子构造一个空的HashMap */ public HashMap() { this.loadFactor = DEFAULT_LOAD_FACTOR; } /** * 根据给定的初始容量和装载因子创建一个空的HashMap * 初始容量小于0或...

史上最全的Java容器集合之HashMap（源码解读）（上）

前言文本已收录至我的GitHub仓库，欢迎Star：github.com/bin39232820…种一棵树最好的时间是十年前，其次是现在絮叨equals和hashCode理解了，接下来就是HashMap了，这个也是平时我们工作中用的最多的容器之一🔥史上最全的Java容器集合之入门🔥史上最全的Ja...

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