在我阅读java.lang.Class文档时，我发现了以下说明：
The primitive Java types ({@code boolean},
* {@code byte}, {@code char}, {@code short},
* {@code int}, {@code long}, {@code float}, and
* {@code double}), and the keyword {@code void} are also
* represented as {@code Class} objects.
有人可以解释一下，“原始Java类型也表示为类对象”是什么意思？