What is Union? Explain memory allocation using union. – InterviewSolution

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1.	What is Union? Explain memory allocation using union.
Answer» In C language union is a USER defined datatypebasically every variable in union USES same MEMORY address and the size of union can be the size of biggest variable amoung the variables EX: int x=20; double y=20; when you calculate size in structures we GET 2+8=12bytesbut in Union its only 8 bytes coz the 8 is highest size

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