(https://img-mid.csdnimg.cn/release/static/image/mid/ask/573757368876158.jpg "#left"
(https://img-mid.csdnimg.cn/release/static/image/mid/ask/174067368876174.jpg "#left"
改了后变成这样行吗(第一次用Java写程序)(˃ ⌑ ˂ഃ )
(https://img-mid.csdnimg.cn/release/static/image/mid/ask/358860668876140.jpg "#left"