线程池

package multhread;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;

public class ExecutorsDemo implements Runnable{

	@Override
	public void run() {	
		try {
			Thread.sleep(2000);
		} catch (InterruptedException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		System.out.println(System.currentTimeMillis()+" : "+Thread.currentThread().getId());
	}
	
	public static void main(String[] args) {
		ExecutorsDemo demo = new ExecutorsDemo();
		
		ExecutorService exe = Executors.newFixedThreadPool(5);
		for (int i = 0; i < 10; i++) {
			exe.submit(demo);
		}
		
		exe = Executors.newCachedThreadPool();
		for (int i = 0; i < 10; i++) {
			exe.submit(demo);
		}
		
		ScheduledExecutorService scheduleExe = Executors.newScheduledThreadPool(5);
		for (int i = 0; i < 10; i++) {
			scheduleExe.schedule(demo, 1000, TimeUnit.MILLISECONDS);
		}
		
		
	}
	

}