您即将离开腾讯云开发者社区,请注意您的账号财产安全
https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&cad=rja&uact=8&ved=2ahUKEwjf8MHf7efyAhXvAWMBHSUgArAQFnoECDcQAQ&url=https://www.tutorialspoint.com/java_concurrency/concurrency_atomicreference.htm&usg=AOvVaw2uVZQqM7SrVjSUdLFidbiC