值类型是存储在内存中的堆栈（以后简称栈），而引用类型的变量在栈中仅仅是存储引用类型变量的地址，而其本身则存储在堆中。-Value types are stored in the memory stack (later referred to as the stack), and the reference type variable is stored in the stack only the address of a reference type variable, which itself