JavaÏ̵߳Äͬ²½

Ò»¡¢Í¬²½ÎÊÌâÌá³ö
 
Ï̵߳Äͬ²½ÊÇΪÁË·ÀÖ¹¶à¸öÏ̷߳ÃÎÊÒ»¸öÊý¾Ý¶ÔÏóʱ£¬¶ÔÊý¾ÝÔì³ÉµÄÆÆ»µ¡£
ÀýÈ磺Á½¸öÏß³ÌThreadA¡¢ThreadB¶¼²Ù×÷ͬһ¸ö¶ÔÏóFoo¶ÔÏ󣬲¢ÐÞ¸ÄFoo¶ÔÏóÉϵÄÊý¾Ý¡£
 
public class Foo {
    private int x = 100;
    public int getX() {
        return x;
    }
    public int fix(int y) {
        x = x - y;
        return x;
    }
}
 
public class MyRunnable implements Runnable {
    private Foo foo = new Foo();
    public static void main(String[] args) {
        MyRunnable r = new MyRunnable();
        Thread ta = new Thread(r, "Thread-A");
        Thread tb = new Thread(r, "Thread-B");
        ta.start();
        tb.start();
    }
    public void run() {
        for (int i = 0; i < 3; i++) {
            this.fix(30);
            try {
                Thread.sleep(1);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            System.out.println(Thread.currentTh