写一段会造成死锁的代码

以下是一个可能会造成死锁的Java代码示例：

public class DeadlockDemo {

    private static final Object lock1 = new Object();
    private static final Object lock2 = new Object();

    public static void main(String[] args) {
        Thread t1 = new Thread(() -> {
            synchronized (lock1) {
                System.out.println("Thread 1 acquired lock 1");
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
                synchronized (lock2) {
                    System.out.println("Thread 1 acquired lock 2");
                }
            }
        });

        Thread t2 = new Thread(() -> {
            synchronized (lock2) {
                System.out.println("Thread 2 acquired lock 2");
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
                synchronized (lock1) {
                    System.out.println("Thread 2 acquired lock 1");
                }
            }
        });

        t1.start();
        t2.start();
    }
}

在这个示例中，有两个线程t1和t2，它们分别需要获取lock1和lock2这两个锁。如果t1先获取了lock1，然后t2获取了lock2，接着t1尝试获取lock2，但此时lock2已经被t2获取了，t1就会进入等待状态，同时t2也在等待t1释放lock1。这时就会发生死锁，因为两个线程都在等待对方释放锁，无法继续执行。