/*** Created by lsf on 16/4/18.*/
class NewThread extends Thread {NewThread(){super();    //创建线程start();    //启动线程
    }public void run() {long starttime = System.currentTimeMillis();System.out.println("child thread..."+starttime);}
}class CurrentThreadDemo {public static void main(String args[]) {long starttime2 = System.currentTimeMillis();System.out.println("main thread,,,"+starttime2);    //主线程new NewThread();System.out.println("住县城");}
}

import com.sun.tools.internal.xjc.reader.xmlschema.bindinfo.BIConversion;import java.util.Date;/*** Created by lsf on 16/4/18.*/
class NewThread extends Thread {NewThread(){Thread t = new Thread(this);    //创建线程t.start();                      //启动线程
    }public void run() {long starttime = System.currentTimeMillis();System.out.println("child thread..."+starttime);}
}class CurrentThreadDemo {public static void main(String args[]) {long starttime2 = System.currentTimeMillis();System.out.println("main thread,,,"+starttime2);new NewThread();System.out.println("主线程");  //主线程
    }
}

class NewThread extends Thread {String name;NewThread(String threadname){name = threadname;Thread t = new Thread(this,threadname);    //创建线程t.start();                      //启动线程
    }public void run() {long starttime = System.currentTimeMillis();System.out.println("child thread..."+name);}
}class CurrentThreadDemo {public static void main(String args[]) {long starttime2 = System.currentTimeMillis();System.out.println("main thread,,,"+starttime2);new NewThread("demo1");new NewThread("demo2");new NewThread("demo3");System.out.println("主线程");  //主线程
    }
}

/*** Created by lsf on 16/4/22.*/class ThreadTest implements Runnable {Thread t;int count = 0;private volatile Boolean flag = true;public ThreadTest(int p) {t = new Thread(this);t.setPriority(p);}public void start(){t.start();}public void finish(){flag = false;}@Overridepublic void run() {while(flag){count++;}}}public class ThreadPriority {public static void main(String[] args) {ThreadTest t1 = new ThreadTest(Thread.NORM_PRIORITY - 2);ThreadTest t2 = new ThreadTest(Thread.NORM_PRIORITY + 2);t1.start();t2.start();t1.finish();t2.finish();try {Thread.sleep(1000);} catch (InterruptedException e) {e.printStackTrace();}try {System.out.println("t1 count:"+t1.count);System.out.println("t2 count:"+t2.count);t1.t.join();t2.t.join();System.out.println("t1 is alive:" + t1.t.isAlive());System.out.println("t2 is alive:" + t1.t.isAlive());} catch (InterruptedException e) {e.printStackTrace();}}
}

/*** Created by root on 16-4-15.*/class Callme {synchronized void call(String msg){System.out.println("["+msg);try {Thread.sleep(1000);} catch (InterruptedException e) {e.printStackTrace();}System.out.println("]");}
}class ThreadCaller implements Runnable{String msg;Callme target;Thread t;public ThreadCaller(Callme targ,String s) {target = targ;msg = s;t = new Thread(this);t.start();}@Overridepublic void run() {target.call(msg);}
}class Demo {public static void main(String[] args) {Callme target = new Callme();ThreadCaller obj1 = new ThreadCaller(target,"Hello");ThreadCaller obj2 = new ThreadCaller(target,"Synchronized");ThreadCaller obj3 = new ThreadCaller(target,"World");try {obj1.t.join();obj2.t.join();obj3.t.join();} catch (InterruptedException e) {System.out.println("Interrupted");}}
}