guo_xl的专栏

FutureTask 继承关系如下public FutureTask<V> implements RunnableFuture<V> { public FutureTask(Callable<V> callable) { if (calla

Demopublic static void main(String[] args) { Worker worker1 = new Worker("worker1",1000l); Worker worker2 = new Worker("worker2",3000l); worker1.start(); worker2.start(); try {...

阻塞队列 当线程往队列里放，队列已满，等待队列不满条件(notFull)满足后线程才能继续 当线程往队列里取，队列已空，等待队列不空条件(notEmpty)满足后线程才能继续/** 队列不空条件 */ private final Condition notEmpty;/** 队列不满条件 */ private final Condition notFull;...

demopublic static void main(String[]args){ final ReentrantLock lock = new ReentrantLock(); for(int j=0;j<5;j++){ new Thread(new Runnable(){ public vo...

LinkedBlockingQueue的结构如下，本质上是个单链表node(head)->node->node->node(last)static class Node<E> { E item; Node<E> next; Node(E x) { item = x; } }