[Ljava.lang.String; cannot be cast to java.lang...
前几天作项目的时候，遇到这样一个问题
[Ljava.lang.String; cannot be cast to java.lang.String
查资料一看，原来“[”表示一维数组，“[[”表示二维数组，"L"表示对象的类型，所以[Ljava.lang.String表示的就是一维字符串数组的类型，故一维字符串数组转换成字符串类型就会抛出java.lang.ClassCastException java
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