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摘要： 概述 Hash table based implementation of the Map interface. This implementation provides all of the optional map operations, and permits <tt>null</tt> va 阅读全文

摘要： 概述 LinkedHashMap是HashMap的直接子类; 二者唯一的区别是LinkedHashMap在HashMap的基础上，采用双向链表(doubly-linked list)的形式将所有entry连接起来，这样是为保证元素的迭代顺序跟插入顺序相同。 上图给出了LinkedHashMap的结构 阅读全文

摘要： 概述 {@code BlockingQueue} methods come in four forms, with different ways of handling operations that cannot be satisfied immediately, but may be satis 阅读全文

摘要： 概述 A {@link Deque} that additionally supports blocking operations that wait for the deque to become non-empty when retrieving an element, and wait for 阅读全文

摘要： 概述 A {@linkplain BlockingQueue blocking queue} in which each insert operation must wait for a corresponding remove operation by another thread, and vi 阅读全文

摘要： 概述 A bounded {@linkplain BlockingQueue blocking queue} backed by an array. This queue orders elements FIFO (first-in-first-out). The <em>head</em> of 阅读全文

摘要： 概述 An optionally-bounded {@linkplain BlockingQueue blocking queue} based on linked nodes. This queue orders elements FIFO (first-in-first-out). The <e 阅读全文

摘要： synchronized ArrayList相关 Collections.synchronizedList(new ArrayList<>()) public class ArrayList<E> extends AbstractList<E> implements List<E>, RandomA 阅读全文

摘要： 概述 Resizable-array implementation of the <tt>List</tt> interface. Implements all optional list operations, and permits all elements, including <tt>nul 阅读全文

摘要： https://www.huatools.com/json-diff/https://www.sojson.com/jsondiff.html 阅读全文