目录一、switch的底层实现原理二、适用类型整数类型（byte/short/int）字符类型（char）枚举类型（enum）字符串类型（String，Java 7+ 支持）包装类（Integer/Byte/Short/Character）三、不适用类型及深层原因浮点数
I am trying to print the stack trace of the exception. However, for negative test case, only the unexpected exception is printed.
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