What is the purpose of Void class? Void类的作用是什么?
The Void class is an uninstantiable placeholder class to hold a reference to the Class object representing the primitive Java type void.
Void类是一个不可实例化的占位类, 只是用来持有java原始类型void的类对象的引用。
Void类是一个不可实例化的占位类, 只是用来持有java原始类型void的类对象的引用。
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