[Ljava.lang.String; cannot be cast to java.lang...
前幾天作項目的時候，遇到這樣一個問題
[Ljava.lang.String; cannot be cast to java.lang.String
查資料一看，原來「[」表示一維數組，「[[」表示二維數組，"L"表示對象的類型，所以[Ljava.lang.String表示的就是一維字符串數組的類型，故一維字符串數組轉換成字符串類型就會拋出java.lang.ClassCastException java
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