08 死锁出现的原因以及怎么解决？

package com.local.demo.test.thredtest;

/**
 * 死锁的示例
 *
 * @author: echo
 * @date: 2025/3/1
 */
public class DeadThread {

    // 定义两个锁对象
    private static final Object lock1 = new Object();
    private static final Object lock2 = new Object();

    public static void main(String[] args) {
        // 线程1：先获取 lock1，再尝试获取 lock2
        Thread thread1 = new Thread(() -> {
            synchronized (lock1) {
                System.out.println("Thread 1: Holding lock 1...");
                try {
                    Thread.sleep(100); // 模拟操作
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
                System.out.println("Thread 1: Waiting for lock 2...");
                synchronized (lock2) {
                    System.out.println("Thread 1: Acquired lock 2!");
                }
            }
        });

        // 线程2：先获取 lock2，再尝试获取 lock1
        Thread thread2 = new Thread(() -> {
            synchronized (lock2) {
                System.out.println("Thread 2: Holding lock 2...");
                try {
                    Thread.sleep(100); // 模拟操作
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
                System.out.println("Thread 2: Waiting for lock 1...");
                synchronized (lock1) {
                    System.out.println("Thread 2: Acquired lock 1!");
                }
            }
        });
        // 启动两个线程
        thread1.start();
        thread2.start();

        // 等待线程执行完成
        try {
            thread1.join();
            thread2.join();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        System.out.println("Main thread finished.");
    }
}