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Java Review - 并发编程_ArrayBlockingQueue原理&源码剖析

概述Java Review - 并发编程_LinkedBlockingQueue原理&源码剖析介绍了使用有界链表方式实现的阻塞队列LinkedBlockingQueue，这里我们继续来研究使用有界数组方式实现的阻塞队列ArrayBlockingQueue的原理。类图结构由该图可以看出，Arr...

Java Review - 并发编程_LinkedBlockingQueue原理&源码剖析

概述Java Review - 并发编程_ConcurrentLinkedQueue原理&源码剖析介绍了使用CAS算法实现的非阻塞队列ConcurrentLinkedQueue，下面我们来介绍使用独占锁实现的阻塞队列LinkedBlockingQueue类图结构首先看一下LinkedBloc...

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Java Review - 并发编程_ConcurrentLinkedQueue原理&源码剖析（下）

addadd操作是在链表末尾添加一个元素，其实在内部调用的还是offer操作’\ /** * Inserts the specified element at the tail of this queue. * As the queue is unbounded, this method will ...

Java Review - 并发编程_ConcurrentLinkedQueue原理&源码剖析（上）

概述JDK中提供了一系列场景的并发安全队列。总的来说，按照实现方式的不同可分为阻塞队列和非阻塞队列，阻塞队列使用锁实现非阻塞队列则使用CAS非阻塞算法实现ConcurrentLinkedQueueConcurrentLinkedQueue是线程安全的无界非阻塞队列，其底层数据结构使用单向链表实现，对...

Java Review - 并发编程_读写锁ReentrantReadWriteLock的原理&源码剖析

ReentrantLock VS ReentrantReadWriteLock解决线程安全问题使用ReentrantLock就可以，但是ReentrantLock是独占锁，某时只有一个线程可以获取该锁，而实际中会有写少读多的场景，显然ReentrantLock满足不了这个需求，所以Reentrant...

Java Review - 并发编程_独占锁ReentrantLock原理&源码剖析（下）

公平锁是怎么实现公平的那么下面看看公平锁是怎么实现公平的。公平锁的话只需要看FairSync重写的tryAcquire方法。 /** * Sync object for fair locks */ static final class FairSync extends Sync { private ...

Java Review - 并发编程_独占锁ReentrantLock原理&源码剖析（上）

Synchronized vs ReentrantLockReentrantLock概述ReentrantLock是可重入的独占锁，同时只能有一个线程可以获取该锁，其他获取该锁的线程会被阻塞而被放入该锁的AQS阻塞队列里面。类图结构如下底层基于AQS实现，ReentrantLock的lock等方法，...

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