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I know the virtual memory separates 2G(for kernel)/2G(for user) in Windows.
But why the address of variable isn’t stack continually?
Likes 0x22ff74,0x22ff78,0x22ff82,0x22ff86 ? Does it mean that Windows use sandbox mechanism in user process?
That’s exactly what virtual memory is. The operating system provides each program with its own private address space. In reality the operating system is in charge of mapping those virtual addresses back to the physical address space without the application being aware.
As you noticed this means that two applications can have different data residing at the same virtual address in the program.
Read more about virtual memory here.