java.lang.ClassCastException: [Ljava.lang.Object; cannot be cast to [Ljava.lang.String;
java将Object[]转换为String[]
list.toArray(new String[0]);
java.lang.ClassCastException: [Ljava.lang.Object; cannot be cast to [Ljava.lang.String;
java将Object[]转换为String[]
list.toArray(new String[0]);