多線程Thread,Runnable,Callable實現方式

package com.zrrd.XianCheng;
/**
 *繼承Thread類，達到線程的能力
 */
public class MyThread extends Thread{
    private String name;
    public MyThread(String name){
         this.name=name;
    }
    @Override
    public void run() {
          for(int i=0;i<=100;i++){
              System.out.println(name+"下載瞭"+i+"%");
          }
    }
}

package com.zrrd.XianCheng;
/**
 * 測試線程代碼
 */
public class ThreadText {
    public static void main(String[] args) {
        //創建一個線程對象
         MyThread my=new MyThread( "A線程");
         //啟動線程start()
         my.start();
        //創建第二個線程對象
        MyThread my1=new MyThread("B線程");
        //啟動線程start()
        my1.start();
    }
}

package com.zrrd.XianCheng;
/**
 * 多個線程並發，解決方法
 */
public class BingFa implements Runnable {
    int piaoshu=50;
    Object obj=new Object();
    @Override
    public void run() {
        /* 同步代碼塊用synchronized修飾*/
        while (true){
          synchronized (obj){//發生阻塞事件
                   if(piaoshu>0){
                       System.out.println(Thread.currentThread().getName()+"剩餘"+(piaoshu--)+"張");
                   }else{
                       break;
                   }
             }
              try {
                  Thread.sleep(200);
              } catch (InterruptedException e) {
                  e.printStackTrace();
              }
          }
        System.out.println(Thread.currentThread().getName()+"結束售票");
    }
}

package com.zrrd.XianCheng;
import java.lang.Thread;
public class BingFaText {
    public static void main(String[] args) {
         BingFa bf=new BingFa();
         Thread th1=new Thread(bf,"售票窗口1");
         Thread th2=new Thread(bf,"售票窗口2");
         Thread th3=new Thread(bf,"售票窗口3");
         Thread th4=new Thread(bf,"售票窗口4");
         th1.start();
         th2.start();
         th3.start();
         th4.start();
    }
}

package com.zrrd.XianCheng;
import java.util.concurrent.Callable;
public class MyCallable implements Callable<String> {//多線程主體類
    private int ticket=5;                     //線程共享資源
    @Override
    public String call() throws Exception {
            for (int i=0;i<100;i++){
                if(this.ticket>0){
                    System.out.println("賣票，ticket="+this.ticket--);
                }
            }
        return "票已賣光！";        //返回結果
    }
}

package com.zrrd.XianCheng;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.FutureTask;
public class MyCallableDemo {
    public static void main(String[] args) throws ExecutionException, InterruptedException {
        MyCallable callable1 = new MyCallable();//創建多線程實例1
        MyCallable callable2 = new MyCallable();//創建多線程實例2
        FutureTask task1 = new FutureTask<String>(callable1);
        FutureTask task2 = new FutureTask<String>(callable2);
        //FutureTask 是Runnable接口的子類，所以可以使用Thread類的構造方法來接收task對象
        new Thread(task1).start();
        new Thread(task2).start();
        System.out.println("A______"+task1.get());
        System.out.println("B______"+task2.get());
    }
}