package cn.netkiller.thread;

public class SynchronizedThread extends Thread {
	private int count = 0;

	@Override
	public /*synchronized*/ void run() {
		count++;
		System.out.println(Thread.currentThread().getName() + " count:" + count);
	}

	public static void main(String[] args) {
		SynchronizedThread myThread = new SynchronizedThread();
		Thread thread1 = new Thread(myThread, "thread1");
		Thread thread2 = new Thread(myThread, "thread2");
		Thread thread3 = new Thread(myThread, "thread3");
		Thread thread4 = new Thread(myThread, "thread4");
		Thread thread5 = new Thread(myThread, "thread5");
		thread1.start();
		thread2.start();
		thread3.start();
		thread4.start();
		thread5.start();
	}
}		
		
		

线程运行不分先后

		
thread2 count:3
thread4 count:4
thread1 count:3
thread3 count:3
thread5 count:5
		
		

		
package cn.netkiller.thread;

public class SynchronizedThread extends Thread {
	private int count = 0;

	@Override
	public synchronized void run() {
		count++;
		System.out.println(Thread.currentThread().getName() + " count:" + count);
	}

	public static void main(String[] args) {
		SynchronizedThread myThread = new SynchronizedThread();
		Thread thread1 = new Thread(myThread, "thread1");
		Thread thread2 = new Thread(myThread, "thread2");
		Thread thread3 = new Thread(myThread, "thread3");
		Thread thread4 = new Thread(myThread, "thread4");
		Thread thread5 = new Thread(myThread, "thread5");
		thread1.start();
		thread2.start();
		thread3.start();
		thread4.start();
		thread5.start();
	}
}		
		
		

		
thread1 count:1
thread5 count:2
thread4 count:3
thread2 count:4
thread3 count:5
		
		

		
package cn.netkiller.thread;

public class MultiThread {
	private static int count = 0;

	public synchronized void add() {
		count++;
		System.out.println(Thread.currentThread().getName() + " count:" + count);
	}

	public static void main(String[] args) throws InterruptedException {

		final MultiThread multiThread1 = new MultiThread();
		final MultiThread multiThread2 = new MultiThread();
		final MultiThread multiThread3 = new MultiThread();
		final MultiThread multiThread4 = new MultiThread();
		final MultiThread multiThread5 = new MultiThread();

		new Thread(new Runnable() {
			public void run() {
				multiThread1.add();
			}
		}).start();

		new Thread(new Runnable() {
			public void run() {
				multiThread2.add();
			}
		}).start();

		new Thread(new Runnable() {
			public void run() {
				multiThread3.add();
			}
		}).start();

		new Thread(new Runnable() {
			public void run() {
				multiThread4.add();
			}
		}).start();

		new Thread(new Runnable() {
			public void run() {
				multiThread5.add();
			}
		}).start();
	}
}