线程1—Runnable

import java.util.*;

public class Ly_Runnable implements Runnable {
public void run() {
test();
}

public void test() {
Random r = new Random();
try {
for (int i = 1; i <= 10; i++) {
int a = r.nextInt(1000);
Thread.sleep(a);
System.out.print(a + "秒后去");
System.out.println(Thread.currentThread().getName());
}
} catch (Exception e) {
e.printStackTrace();
}
}

public static void main(String[] args) {
Thread tr1 = new Thread(new Ly_Runnable());
tr1.setName("淄博");
tr1.start();

Thread tr2 = new Thread(new Ly_Runnable());
tr2.setName("青岛");
tr2.start();
}
}