“Java 零基础入门 / 步骤一 · 3-5 选择练习”中这道题是不是出错了？

Question

switch(ch+1)是不是错的？

                                                                                       是不是应该为switch((char)(ch+1))？

Answer 1

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Answer 2

这个没有错，你可以试一下，ch+1自动就转成char类型了