线程练习题

package app;

public class threadTest {

public static void main(String[] args) {    person pp = new  person();    for(int i = 0;i<10;i++){        new Thread(pp).start();    }}

} 
class person implements Runnable {

@Overridepublic void run() {    thought();}public synchronized void thought(){    try {        System.out.println(Thread.currentThread().getName()+"通过山洞");        Thread.sleep(2000);    } catch (InterruptedException e) {        e.printStackTrace();    }}

}