Future API: public interface Future<V> { /** * Attempts to cancel execution of this task. This attempt will * fail if the task has already completed, has already been cancelled, * or could not be cancelled for some other reason. If successful, * and
Thread和Runnable的联系 Thread类的定义: public class Thread extends Object implements Runnable 联系:从Thread类的定义可以看到,Thread类实现了Runnable接口,即可以说Thread是Runnable的子类. Thread和Runnable的区别 观察以下程序(程序1): public class MyThread extends Thread{ private int ticket = 5; public
Java里面运行一个线程可以通过继承Thread的方式,也可以通过实现Runnable的接口来实现,那么两者能不能混用呢,比如以下的例子: public class JavaTest extends Thread{ public JavaTest(Runnable target) { super(target); } public void run() { System.out.println("run() in JavaTest thread."); } public static