Java中多线程、线程同步与死锁的一些不为人知的秘密

public class ThreadTest {  public static void main(String[] args) {    // 创建一个账户，里面有存款5000元    Account account = new Account(5000);    // 模拟取钱过程    GetMoney getMoney = new GetMoney(account);    new Thread(getMoney, "你").start();    new Thread(getMoney, "你老婆").start();  }}class GetMoney implements Runnable {  private Account account;  public GetMoney(Account account) {    super();    this.account = account;  }  @Override  public void run() {    System.out.println(Thread.currentThread().getName() + "账户现在有"        + account.getMoney() + "元");    // 使效果更明显，休眠10ms    try {      Thread.sleep(10);    } catch (InterruptedException e) {      e.printStackTrace();    }    int money = account.getMoney() - 2000;    account.setMoney(money);    System.out.println(Thread.currentThread().getName() + "取了2000元，账户现在有"        + account.getMoney() + "元");  }}class Account {  private int money;  public Account(int money) {    super();    this.money = money;  }  public int getMoney() {    return money;  }  public void setMoney(int money) {    this.money = money;  }}