重学JAVA基础(四):线程的创建与执行

public class TestThread extends Thread{

public void run(){
System.out.println(Thread.currentThread().getName());
}

public static void main(String[] args) {
Thread t = new TestThread();
t.start();
}
}

public class TestRunnable implements Runnable
{

@Override
public void run() {
System.out.println(Thread.currentThread().getName());

}

public static void main(String[] args) {
Thread t = new Thread(new TestRunnable());
t.start();
}
}

public class TestThreadPool {

public static ExecutorService singlePool = Executors.newSingleThreadExecutor();

private static ExecutorService fixedPool = Executors.newFixedThreadPool(2);

private static ExecutorService cachedPool = Executors.newCachedThreadPool();

private static ThreadPoolExecutor tpe = new ThreadPoolExecutor(5, 10, 5000, TimeUnit.SECONDS, new LinkedBlockingQueue<Runnable>(), new DefaultThreadFactory(),new ThreadPoolExecutor.AbortPolicy());

private static class DefaultThreadFactory implements ThreadFactory{
@Override
public Thread newThread(Runnable r) {
Thread t = new Thread(r);
return t;
}
}

public static void main(String[] args) {
singlePool.execute(new TestThreadP());
fixedPool.execute(new TestThreadP());
cachedPool.execute(new TestThreadP());
tpe.execute(new TestThreadP());
}

}
class TestThreadP implements Runnable{
@Override
public void run() {
System.out.println(Thread.currentThread().getName());
}

}