1.10.1优先级具有继承特性

 1 package com.cky.demo;
 2 
 3 /**
 4  * Created by edison on 2017/12/3.
 5  */
 6 public class MyThread1 extends Thread{
 7     @Override
 8     public void run() {
 9         super.run();
10         System.out.println("线程1:"+ this.getPriority());
11         Thread2 thread2 = new Thread2();
12         thread2.start();
13     }
14 }

 1 package com.cky.demo;
 2 
 3 /**
 4  * Created by edison on 2017/12/3.
 5  */
 6 public class Thread2 extends Thread {
 7     @Override
 8     public void run() {
 9         System.out.println("线程2："+ this.getPriority());
10     }
11 }

 1 package com.cky.demo;
 2 
 3 /**
 4  * Created by edison on 2017/12/3.
 5  */
 6 public class TestDemo {
 7     public static void main(String[] args) {
 8         System.out.println("main " + Thread.currentThread().getPriority());
 9         //Thread.currentThread().setPriority(6);
10         System.out.println("main " + Thread.currentThread().getPriority());
11         MyThread1 th = new MyThread1();
12         th.start();
13     }
14 }

C:\itsoft\jdk\bin\java -Didea.launcher.port=7539 "-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.demo.TestDemo
main 5
main 5
线程1:5
线程2：5

package com.cky.demo;

/**
 * Created by edison on 2017/12/3.
 */
public class TestDemo {
    public static void main(String[] args) {
        System.out.println("main " + Thread.currentThread().getPriority());
        Thread.currentThread().setPriority(6);
        System.out.println("main " + Thread.currentThread().getPriority());
        MyThread1 th = new MyThread1();
        th.start();
    }
}

main 5
main 6
线程1:6
线程2：6