线程中断：

/** * Created by root on 17-9-30. */public class Test4Thread2 {    public static void main(String[] args) {        Thread t=new Thread(()->{try {            System.out.println(Thread.currentThread().getName()+"start");            Thread.sleep(10000);            System.out.println(Thread.currentThread().getName()+"end");        } catch (InterruptedException e) {            e.printStackTrace();        }});        t.start();        Thread t2=new Thread(()->{try {            for (int i=0;i<10;i++){                Thread.sleep(1000);                System.out.println(Thread.currentThread().getName()+">>>"+i);                if (i==3){                    t.interrupt();                }            }        } catch (InterruptedException e) {            e.printStackTrace();        }});        t2.start();    }}

 输出：

Thread-0startThread-1>>>0Thread-1>>>1Thread-1>>>2Thread-1>>>3java.lang.InterruptedException: sleep interrupted	at java.lang.Thread.sleep(Native Method)	at com.xh.alibaba.Test4Thread2.lambda$main$0(Test4Thread2.java:11)	at java.lang.Thread.run(Thread.java:745)Thread-1>>>4Thread-1>>>5Thread-1>>>6Thread-1>>>7Thread-1>>>8Thread-1>>>9Process finished with exit code 0

 当线程0在休眠时，线程1打断他，就会报异常。

 

线程优先级：

/** * Created by root on 17-9-30. */public class Test4Thread3 {    public static void main(String[] args) {        MyT1 myT1 = new MyT1();        Thread t2_1 = new Thread(myT1,"myT1_1");        Thread t2_2 = new Thread(myT1,"myT1_2");        Thread t2_3 = new Thread(myT1,"myT1_3");        t2_1.setPriority(1);        t2_2.setPriority(10);        t2_3.setPriority(1);        t2_1.start();        t2_2.start();        t2_3.start();    }}class MyT1 implements Runnable {    int tickets = 10;    public void run() {        for (; tickets > 0; ) {            System.out.println(Thread.currentThread().getName() + ":" + tickets--);        }    }}

 结果：

myT1_2:10myT1_3:9myT1_1:7myT1_2:8myT1_2:4myT1_2:3myT1_2:2myT1_2:1myT1_1:5myT1_3:6Process finished with exit code 0