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Java集合源码剖析——基于JDK1.8中HashMap的实现原理（下）

文章目录：3.5 hash方法3.6 resize方法3.7 size方法3.8 isEmpty方法3.9 clear方法3.10 containsKey方法3.11 containsValue方法3.12 replace方法3.13 关于遍历map集合的三个方法4.传统HashMap的缺点——引入...

Java集合源码剖析——基于JDK1.8中HashMap的实现原理（上）

文章目录：1.HashMap源码注释翻译2.HashMap中的属性3.HashMap中的方法3.1 构造方法3.2 get方法3.3 put方法3.4 remove方法1.HashMap源码注释翻译* Hash table based implementation of the <tt>...

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Java集合源码剖析——基于JDK1.8中HashSet、LinkedHashSet的实现原理

文章目录：1.开篇2.HashSet中的属性3.HashSet中的方法3.1 构造方法一3.2 构造方法二3.3 构造方法三3.4 构造方法四3.5 构造方法五3.6 迭代器Iterator方法3.7 size方法3.8 isEmpty方法3.9 contains方法3.10 add方法3.11 r...

Java集合源码剖析——基于JDK1.8中LinkedList的实现原理（下）

3.7 unlinkFirst方法删除操作与添加操作大同小异，需要把当前节点的前驱节点的后继修改为当前节点的后继，以及当前节点的后继结点的前驱修改为当前节点的前驱。unlinkFirst方法是在表头进行元素的删除，首先做的是将要删除元素的item值保存到一个临时变量element中，最终返回。同时将...

Java集合源码剖析——基于JDK1.8中LinkedList的实现原理（上）

文章目录：1.看看关于LinkedList源码开头的注释2.LinkedList中的属性3.LinkedList中的方法3.1 push、offer方法3.2 添加元素的一系列add方法3.3 linkFirst方法3.4 linkLast方法3.5 linkBefore方法3.6 移除元素的一系列...

Java集合源码剖析——基于JDK1.8中Vector的实现原理

文章目录：1.Vector中的属性2.Vector中的方法2.1 构造方法2.2 grow方法2.3 其他方法1.Vector中的属性Vector中的属性其实跟ArrayList时差不多的，就比ArrayList多了一个 protected int capacityIncrement; ...

Java集合源码剖析——基于JDK1.8中ArrayList的实现原理

文章目录：1.看看关于ArrayList源码开头的注释2.ArrayList中的属性3.ArrayList中的方法3.1 无参构造方法3.2 有参构造方法（参数为int）3.3 get方法3.4 grow方法3.5 add方法3.6 set方法3.7 remove方法3.8 size方法3.9 is...

Java源码阅读之LinkedList - JDK1.8

阅读优秀的源码是提升编程技巧的重要手段之一。如有不对的地方，欢迎指正~ 转载请注明出处https://blog.lzoro.com。前言前文基于缓冲数组的ArrayList已经分析过，那么同样作为List实现的LinkedList又有什么不一样呢？ image 在阅读LinkedList源码之...

Java源码阅读之ArrayList - JDK1.8

阅读优秀的源码是提升编程技巧的重要手段之一。如有不对的地方，欢迎指正~ 转载请注明出处https://blog.lzoro.com。前言当你对某件事情很感兴趣的时候，时间的流逝在感知中都模糊了（是不是很文艺，绕口得都快听不懂了），通俗来说，就是时间过得很快。而且，只有感兴趣才能驱动你继续下去...

Java源码阅读之红黑树在HashMap中的应用 - JDK1.8

阅读优秀的源码是提升编程技巧的重要手段之一。如有不对的地方，欢迎指正~ 转载请注明出处https://blog.lzoro.com。前言基于JDK1.8。 JDK1.8之前，HashMap并没有采用红黑树，所以哈希桶上的链表过长时，就会有效率问题。 JDK1.8，则在HashMap引入了红黑树...

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