package com.brianway.learning.java.multithread.communication.example2;

/**

* Created by Brian on 2016/4/13.

*/

/**

* P142

* 测试sleep()期间其他线程是否执行

* 处理器资源，对象锁，是不同的概念

*/

public class Run2_sleep {

public static void main(String[] args) {

Thread t1 = new Thread() {

@Override

public void run() {

super.run();

System.out.println(Thread.currentThread().getName() + " begin sleep");

try {

Thread.sleep(2000);

} catch (InterruptedException e) {

e.printStackTrace();

}

System.out.println(Thread.currentThread().getName() + " end sleep");

}

};

t1.setName("t1");

Thread t2 = new Thread() {

@Override

public void run() {

super.run();

long i = 0;

long max = (long) Integer.MAX_VALUE;

System.out.println("max = " + max);

System.out.println(Thread.currentThread().getName() + " begin while");

while (i < max) {

i++;

if (i % 100000000 == 0) {

System.out.println(Thread.currentThread().getName() + " now is " + i);

}

}

System.out.println(Thread.currentThread().getName() + " end while");

}

};

t2.setName("t2");

t1.start();

t2.start();

}

}

/*

输出：

t1 begin sleep

max = 2147483647

t2 begin while

t2 now is 100000000

t2 now is 200000000

t2 now is 300000000

t2 now is 400000000

t2 now is 500000000

t2 now is 600000000

t2 now is 700000000

t2 now is 800000000

t2 now is 900000000

t2 now is 1000000000

t2 now is 1100000000

t2 now is 1200000000

t2 now is 1300000000

t2 now is 1400000000

t2 now is 1500000000

t1 end sleep

t2 now is 1600000000

t2 now is 1700000000

t2 now is 1800000000

t2 now is 1900000000

t2 now is 2000000000

t2 now is 2100000000

t2 end while

*/