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Java并发编程
并发编程
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并行跟并发有什么区别?
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说说什么是进程和线程?
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说说线程有几种创建方式?
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为什么调用start()方法时会执行run()方法,那怎么不直接调用run()方法?
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线程有哪些常用的调度方法?
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线程有几种状态?
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什么是线程上下文切换?
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守护线程了解吗?
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线程间有哪些通信方式?
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ThreadLocal是什么?
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你在工作中用到过ThreadLocal吗?
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ThreadLocal怎么实现的呢?
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ThreadLocal 内存泄露是怎么回事?
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ThreadLocalMap的结构了解吗?
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ThreadLocalMap怎么解决Hash冲突的?
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ThreadLocalMap扩容机制了解吗?
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父子线程怎么共享数据?
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说一下你对Java内存模型(JMM)的理解?
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说说你对原子性、可见性、有序性的理解?
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那说说什么是指令重排?
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指令重排有限制吗?happens-before了解吗?
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as-if-serial又是什么?单线程的程序一定是顺序的吗?
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volatile实现原理了解吗?
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synchronized用过吗?怎么使用?
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synchronized的实现原理?
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除了原子性,synchronized可见性,有序性,可重入性怎么实现?
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锁升级?synchronized优化了解吗?
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说说synchronized和ReentrantLock的区别?
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AQS了解多少?
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ReentrantLock实现原理?
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ReentrantLock怎么实现公平锁的?
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CAS呢?CAS了解多少?
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Java有哪些保证原子性的方法?如何保证多线程下i++ 结果正确?
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原子操作类了解多少?
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AtomicInteger 的原理?
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线程死锁了解吗?该如何避免?
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那死锁问题怎么排查呢?
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CountDownLatch(倒计数器)了解吗?
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CyclicBarrier(同步屏障)了解吗?
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CyclicBarrier和CountDownLatch有什么区别?
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Semaphore(信号量)了解吗?
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Exchanger 了解吗?
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什么是线程池?
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能说说工作中线程池的应用吗?
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Last updated
2 years ago