Java容器集合的相关内容

史上最全的Java容器集合之LinkedHashMap（源码解读）

概述LinkedHashMap是HashMap的子类，它的大部分实现与HashMap相同，两者最大的区别在于，HashMap的对哈希表进行迭代时是无序的，而 LinkedHashMap对哈希表迭代是有序的，LinkedHashMap默认的规则是，迭代输出的结果保持和插入key-value pair的...

史上最全的Java容器集合之equals 和 hashCode

equals()方法Object原生的equals方法： public boolean equals(Object obj) { return (this == obj); } 复制代码从代码中可以看出，原生的equals方法使用的是“==”来比较的。学过Java的人都应该知道，“=&.....

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史上最全的Java容器集合之Vector和LinkedList(源码解读)

Vector 源码分析其实Vector要讲的东西不多了，因为它和ArrayList的代码很像，就是再每个方法上加了锁，如下图因为大部分和前面差不多，我来说说不同的点吧看图上面的这个是Vetor和ArrayList不同的另一个点它的增长因子是可以自己定义的。我们来看grow方法这段代码是扩容代码，...

史上最全的Java容器集合之ArrayList(源码解读)（上）

一、ArrayList认识概念概念：ArrayList是一个其容量能够动态增长的动态数组。但是他又和数组不一样，下面会分析对比。它继承了AbstractList，实现了List、RandomAccess, Cloneable, java.io.Serializable。RandomAccess接口，...

史上最全的Java容器集合之入门

集合的由来通常，我们的Java程序需要根据程序运行时才知道创建了多少个对象。但若非程序运行，程序开发阶段，我们根本不知道到底需要多少个数量的对象，甚至不知道它的准确类型。为了满足这些常规的编程需要，我们要求能在任何时候，任何地点创建任意数量的对象，而这些对象用什么来容纳呢？我们首先想到...

史上最全的Java容器集合之HashSet（源码解读）

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，其次是现在絮叨今天讲Set,List,Map已经讲完了，Set有时候我们也会用，去重，但是Stream流也有去重的方法所以现在也是用的少了，我这边打算就讲一个HashSet,...

史上最全的Java容器集合之ConcurrentHashMap（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HashMap讲完了，我们来看一下和他内部结构差不多的ConcurrentHashMap🔥史上最全的Java容器集合之入门🔥史上最全的Java容器集合之基础...

史上最全的Java容器集合之equals 和 hashCode

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List集合讲完了，接下来要讲Map,因为Set底层是Map。但是讲Map之前得好好讲讲 equals和hashCode🔥史上最全的Java容器集合之入门🔥...

史上最全的Java容器集合之Vector和LinkedList(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，其次是现在絮叨前面2篇的基础，大家还是好好学习一下，下面是链接🔥史上最全的Java容器集合之入门🔥史上最全的Java容器集合之基础数据结构（手撕链表...

史上最全的Java容器集合之ArrayList(源码解读)（下）

具体方法add方法/** * Appends the specified element to the end of this list. * * @param e element to be appended to this list * @return <tt>true</tt...

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更新时间 2024-04-10 13:05:33

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