为什么在。net中装箱是一种原始的值类型，不像Java?

Consider:

考虑:

int a = 42;

// Reference equality on two boxed ints with the same value
Console.WriteLine( (object)a == (object)a ); // False

// Same thing - listed only for clarity
Console.WriteLine(ReferenceEquals(a, a));  // False
int a = 42;

// Reference equ