For a global declaration, you need to specify its type (that is, class name) and the identifier you want to use to refer to it (that is, variable name).

对于global声明，需要指定它的类型(即类名)和想要用于引用它的标识符(即变量名)。

youdao

For a global declaration, you need to specify its type (that is, class name) and the identifier you want to use to refer to it (that is, variable name).

对于global声明，需要指定它的类型(即类名)和想要用于引用它的标识符(即变量名)。

youdao