switch括号内写什么
时间: 2023-09-22 17:09:32 浏览: 165
回答: 在switch括号内可以写整型、字符型、枚举类型以及字符串类型。但需要注意的是,如果写字符串类型,必须进行null判断,否则会报异常。\[1\]\[2\]
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