public static int count = 0;
public synchronized static void inc() {
count++;
}
public static void main(String[] args) {
// 同时启动1000个线程，去进行i++计算，看看实际结果
for (int i = 0; i < 1000; i++) {
new Thread(new Runnable() {
public void run() {
Counter.inc();
}
}).start();
}
// 休眠1秒，等待前面线程累加操作完成
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
System.out.println("运行结果:Counter.count=" + Counter.count);
}