https://javaguide.cn/java/concurrent/java-concurrent-questions-03.html#future-%E6%8E%A5%E5%8F%A3%E6%9C%89%E4%BB%80%E4%B9%88%E7%94%A8 <img width="1240" height="607" alt="Image" src="https://github.com/user-attachments/assets/200344de-19bd-4d48-a418-33858beab438" />
https://javaguide.cn/java/concurrent/java-concurrent-questions-03.html#future-%E6%8E%A5%E5%8F%A3%E6%9C%89%E4%BB%80%E4%B9%88%E7%94%A8