1.7.4在沉睡中停止

在sleep状态下，停止线程。会进入catch语句，并且清除停止状态值，使其变成false

package com.cky.thread;

/**
 * Created by edison on 2017/12/3.
 */
public class MyThread extends Thread{
    @Override
    public void run() {
        super.run();
        try {
            System.out.println("run begin");
            Thread.sleep(20000);
            System.out.println("run end");
        } catch (InterruptedException e) {
            System.out.println("沉睡中被停只进入catch  "+this.isInterrupted());
            e.printStackTrace();
        }
    }
}

package com.cky.test;

import com.cky.thread.MyThread;

/**
 * Created by edison on 2017/12/3.
 */
public class Test {
    public static void main(String[] args) {
        try {
            MyThread th = new MyThread();
            th.start();
            Thread.sleep(200);
            th.interrupt();
        } catch (InterruptedException e) {
            System.out.println("main catch");
            e.printStackTrace();
        }


    }
}

C:\itsoft\jdk\bin\java -Didea.launcher.port=7537 "-Didea.launcher.bin.path=C:\itsoft\idea\IntelliJ IDEA 2016.3.3\bin" -Dfile.encoding=UTF-8 -classpath "C:\itsoft\jdk\jre\lib\charsets.jar;C:\itsoft\jdk\jre\lib\deploy.jar;C:\itsoft\jdk\jre\lib\ext\access-bridge-32.jar;C:\itsoft\jdk\jre\lib\ext\cldrdata.jar;C:\itsoft\jdk\jre\lib\ext\dnsns.jar;C:\itsoft\jdk\jre\lib\ext\jaccess.jar;C:\itsoft\jdk\jre\lib\ext\jfxrt.jar;C:\itsoft\jdk\jre\lib\ext\localedata.jar;C:\itsoft\jdk\jre\lib\ext\nashorn.jar;C:\itsoft\jdk\jre\lib\ext\sunec.jar;C:\itsoft\jdk\jre\lib\ext\sunjce_provider.jar;C:\itsoft\jdk\jre\lib\ext\sunmscapi.jar;C:\itsoft\jdk\jre\lib\ext\sunpkcs11.jar;C:\itsoft\jdk\jre\lib\ext\zipfs.jar;C:\itsoft\jdk\jre\lib\javaws.jar;C:\itsoft\jdk\jre\lib\jce.jar;C:\itsoft\jdk\jre\lib\jfr.jar;C:\itsoft\jdk\jre\lib\jfxswt.jar;C:\itsoft\jdk\jre\lib\jsse.jar;C:\itsoft\jdk\jre\lib\management-agent.jar;C:\itsoft\jdk\jre\lib\plugin.jar;C:\itsoft\jdk\jre\lib\resources.jar;C:\itsoft\jdk\jre\lib\rt.jar;C:\多线程核心技术\第一章\out\production\第一章;C:\itsoft\idea\IntelliJ IDEA 2016.3.3\lib\idea_rt.jar" com.intellij.rt.execution.application.AppMain com.cky.test.Test
run begin
java.lang.InterruptedException: sleep interrupted
沉睡中被停只进入catch  false
    at java.lang.Thread.sleep(Native Method)
    at com.cky.thread.MyThread.run(MyThread.java:12)

Process finished with exit code 0

前一个实验是先sleep后，在执行interrupt（）

下面实验先停止线程，在进入sleep

package com.cky.thread;

/**
 * Created by edison on 2017/12/3.
 */
public class MyThread extends Thread{
    @Override
    public void run() {
        super.run();
        try {
            for (int i = 0; i < 100000; i++) {
                System.out.println("i="+(i+1));
            }
            System.out.println("run begin");
            Thread.sleep(20000);
            System.out.println("run end");
        } catch (InterruptedException e) {
            System.out.println("先停止再遇到了sleep进入catch  ");
            e.printStackTrace();
        }
    }
}

package com.cky.test;

import com.cky.thread.MyThread;

/**
 * Created by edison on 2017/12/3.
 */
public class Test {
    public static void main(String[] args) {
            MyThread th = new MyThread();
            th.start();
            th.interrupt();



    }
}

i=99997
i=99998
i=99999
i=100000
run begin
先停止再遇到了sleep进入catch  
java.lang.InterruptedException: sleep interrupted
    at java.lang.Thread.sleep(Native Method)
    at com.cky.thread.MyThread.run(MyThread.java:15)

Process finished with exit code 0

结果分析：

这边由于主线程先执行完了代码，给子线程打了停止标记，当子线程执行时线程停止了，再执行sleep方法，就会进入catch了