多线程暂时学习不深,待后续了解深入之后在来编写该文档,此处只做简单翻译
从所有等待的线程中选取一个进入就绪状态
public final native void notify();
让所有等待的线程进入就绪状态
public final native void notifyAll();
程序等待timeout毫秒,若等待时间超过timeout毫秒数,则程序自动进入就绪状态.类似于sleep,但与sleep的区别在于,休眠期间会释放掉锁
public final native void wait(long timeout) throws InterruptedException;
public final void wait(long timeout, int nanos) throws InterruptedException {
if (timeout < 0) {
throw new IllegalArgumentException("timeout value is negative");
}
if (nanos < 0 || nanos > 999999) {
throw new IllegalArgumentException(
"nanosecond timeout value out of range");
}
if (nanos >= 500000 || (nanos != 0 && timeout == 0)) {
timeout++;
}
wait(timeout);
}
public final void wait() throws InterruptedException {
wait(0);
}
protected void finalize() throws Throwable { }