Interview Questions on Union in C : (4)

Hint:
Purpose of the union is to save memory by using the same memory region for storing different members at different times. The memory allocated for Union is the memory which is allocated for its one of the member which takes max bytes.

Hint:
Values are same because both are referring to same memory location. In Union memory is shared by all variables and memory is allocated to its biggest element. Note:- We should use one element at a time.

Hint:
This is valid use of Union. We should use Union elements one by one as they share same memory to save memory.