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Java中的switch-12212886-51CTO博客
source link: http://blog.51cto.com/12222886/2067557
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switch语句的作用其实就相当于if（）else，就是一种选择语句，语法如下：switch(表达式){case常量表达式1:语句1;case常量表达式2:语句2;…case常量表达式n:语句n;default:语句n+1;}需要注意的是switch中表达式的类型可以是byte,short,char,int,enum类型，java7之后可以使string类型也支持作为表达式，可以研究下原理：pub
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