package com.muzeet.mutithread;

//每个任务都是Runable接口的一个实例，任务是可运行对象，线程是便于任务执行的对象。必须创建任务类，重写run方法定义任务
public class ThreadDemo1 implements Runnable {
 private int countDown = 10;
 @Override
 //重写run方法，定义任务
 public void run() {
  while(countDown-- >0)
  {
   System.out.println("$" + Thread.currentThread().getName() 
     + "(" + countDown + ")");
  }
 }
 //调用start方法会启动一个线程，导致任务中的run方法被调用，run方法执行完毕则线程终止
 
 public static void main(String[] args) {
  Runnable demo1 = new ThreadDemo1();
  
  Thread thread1 = new Thread(demo1);
  Thread thread2 = new Thread(demo1);
  thread1.start();
  thread2.start();
  
  System.out.println("火箭发射倒计时:");  
 }

}

火箭发射倒计时:
$Thread-0(9)
$Thread-0(8)
$Thread-0(7)
$Thread-0(6)
$Thread-0(5)
$Thread-0(4)
$Thread-0(3)
$Thread-0(2)
$Thread-0(1)
$Thread-0(0)

public static void main(String[] args) {
  Runnable demo1 = new ThreadDemo1();
  Runnable demo2 = new ThreadDemo1();
  Thread thread1 = new Thread(demo1);
  Thread thread2 = new Thread(demo2);
  thread1.start();
  thread2.start();
  
  System.out.println("火箭发射倒计时:"); 
 }

火箭发射倒计时:
$Thread-0(9)
$Thread-0(8)
$Thread-0(7)
$Thread-0(6)
$Thread-1(9)
$Thread-0(5)
$Thread-1(8)
$Thread-0(4)
$Thread-1(7)
$Thread-0(3)
$Thread-1(6)
$Thread-1(5)
$Thread-0(2)
$Thread-1(4)
$Thread-1(3)
$Thread-1(2)
$Thread-1(1)
$Thread-1(0)
$Thread-0(1)
$Thread-0(0)

package com.muzeet.mutithread;

//每个任务都是Runable接口的一个实例，任务是可运行对象，线程即可运行对象。必须创建任务类，重写run方法定义任务
public class ExtendFromThread extends Thread {
 private int countDown = 10;
 @Override
 //重写run方法，定义任务
 public void run() {
  while(countDown-- >0)
  {
   System.out.println("$" + this.getName() 
     + "(" + countDown + ")");
  }
 }
 //调用start方法会启动一个线程，导致任务中的run方法被调用，run方法执行完毕则线程终止
 
 public static void main(String[] args) {
  
  ExtendFromThread thread1 = new ExtendFromThread();
  ExtendFromThread thread2 = new ExtendFromThread();
  thread1.start();
  thread2.start();
  
  System.out.println("火箭发射倒计时:"); 
 }

}

火箭发射倒计时:
$Thread-0(9)
$Thread-0(8)
$Thread-0(7)
$Thread-0(6)
$Thread-0(5)
$Thread-0(4)
$Thread-0(3)
$Thread-0(2)
$Thread-0(1)
$Thread-0(0)
$Thread-1(9)
$Thread-1(8)
$Thread-1(7)
$Thread-1(6)
$Thread-1(5)
$Thread-1(4)
$Thread-1(3)
$Thread-1(2)
$Thread-1(1)
$Thread-1(0)

package com.muzeet.testThread;

public class PrintNum implements Runnable {

 private int lastNum;
 
 public PrintNum(int n)
 {
  lastNum = n;
 }

 @Override
 public void run() {
  // TODO Auto-generated method stub
  Thread thread4 = new Thread(new PrintChar('c', 40));
  thread4.start();
  try {
  for(int i=1;i<=lastNum;i++)
  {
   System.out.println(" " + i);
   if(i == 50)
   {
  thread4.join();
    
   }
  }
  } catch (InterruptedException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
 }
 
}