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import java.util.Random;public class ThreadTests implements Runnable {	private static  int a = 1;//static 修饰共享数据	private static int i = 1;	@Override	public void run() {		i += 1;		operate();		System.out.println("i:" + i + "，a:" + a + ",TEMP:" + getRandom());	}	private static synchronized void operate() {		a += i;		//处理共享数据的要在这里进行	}		private int getRandom(){		return (new Random()).nextInt(1000);		//处理各种对象级的个性化操作，线程级别	}	public static void main(String[] args) {		new Thread(new ThreadTests()).start();		new Thread(new ThreadTests()).start();		new Thread(new ThreadTests()).start();		new Thread(new ThreadTests()).start();		new Thread(new ThreadTests()).start();		new Thread(new ThreadTests()).start();		new Thread(new ThreadTests()).start();		new Thread(new ThreadTests()).start();		new Thread(new ThreadTests()).start();		new Thread(new ThreadTests()).start();		new Thread(new ThreadTests()).start();		new Thread(new ThreadTests()).start();	}}

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