巷尾的酒吧

第一種：（Thread）

package com.abin.lee.servlet.mythread.thread;

public class Mythread extends Thread{
 private String name;
 public Mythread(String name) {
  this.name=name;
 }
 public void run() {
  synchronized(this.name){
   System.out.println("開始時間："+System.currentTimeMillis()+",線程名字："+Thread.currentThread().getName());
   System.out.println("name="+name);
   System.out.println("結束時間："+System.currentTimeMillis()+",線程名字："+Thread.currentThread().getName());
 
  }
 }
 
}

測試代碼：

package com.abin.lee.servlet.mythread.thread;

public class MythreadTest {
 public static void main(String[] args) {
  Mythread mythread1=new Mythread("ManyThread");
  Mythread mythread2=new Mythread("ManyThread");
  mythread1.start();
  mythread2.start();
 }

}

第二種：（Runnable）

package com.abin.lee.servlet.mythread.runnable;

public class MyRunnable implements Runnable{
 private String name;
 public MyRunnable(String name) {
  this.name=name;
 }
 public synchronized void run(){
   System.out.println("開始時間："+System.currentTimeMillis()+",線程名字："+Thread.currentThread().getName());
   System.out.println("name="+name);
   try {
    Thread.sleep(3000);
   } catch (InterruptedException e) {
    e.printStackTrace();
   }
   System.out.println("結束時間："+System.currentTimeMillis()+",線程名字："+Thread.currentThread().getName());
 }
}

測試代碼：

package com.abin.lee.servlet.mythread.runnable;

public class MyRunnableTest {
 public static void main(String[] args) {
  MyRunnable myRunnable=new MyRunnable("ManyThread");
  Thread thread1=new Thread(myRunnable);
  Thread thread2=new Thread(myRunnable);
  thread1.start();
  thread2.start();
 }
}

第三種：（Callable）這種說明一下，這個實現多線程的方式是在JDK1.5引進的，在java.util.concurrent.Callable  這個并發包下面，并且提供同步返回結果的多線程。

package com.abin.lee.servlet.mythread.callable;

import java.util.concurrent.Callable;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

public class MyCallable implements Callable<String>{
 private String name;
 public MyCallable(String name) {
  this.name=name;
 }
 public String call() throws Exception {
  Lock lock=new ReentrantLock();
  lock.lock();
  String result="";
  try {
   System.out.println("開始時間："+System.currentTimeMillis()+",線程名字："+Thread.currentThread().getName());
   System.out.println("name="+name);
   if(name.equals("ManyThread")){
    result="success";
   }else{
    result="failure";
   }
   try {
    Thread.sleep(3000);
   } catch (InterruptedException e) {
    e.printStackTrace();
   }
   System.out.println("結束時間："+System.currentTimeMillis()+",線程名字："+Thread.currentThread().getName());
 
  } catch (Exception e) {
   e.printStackTrace();
  }finally{
   lock.unlock();
  }

   return result;
  
 }
 
}

測試代碼：

package com.abin.lee.servlet.mythread.callable;

import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;

import org.junit.Test;

public class MyCallableTest {
 @Test
 public void testMyCallable() throws InterruptedException, ExecutionException{
  ExecutorService executor=Executors.newFixedThreadPool(3);
  MyCallable myCallable=new MyCallable("ManyThread");
  Future future1=executor.submit(myCallable);
  System.out.println("future1="+future1.get());
  Future future2=executor.submit(myCallable);
  System.out.println("future2="+future2.get());
  Future future3=executor.submit(myCallable);
  System.out.println("future3="+future3.get());
  
 }

}

測試結果：