C Programming - Structures, Unions, Enums - Discussion
Discussion Forum : Structures, Unions, Enums - Find Output of Program (Q.No. 2)
2.
What will be the output of the program ?
#include<stdio.h>
int main()
{
union var
{
int a, b;
};
union var v;
v.a=10;
v.b=20;
printf("%d\n", v.a);
return 0;
}
Discussion:
83 comments Page 9 of 9.
Rasagnaa said:
2 decades ago
Yes I agree with srividya.
Srividhya said:
2 decades ago
Because union can initialize only one variable at a time. It overwrites the memory with binary value of 20 where it was initialized with binary value of 10 before.
It takes the last initialized value of its member variables.
It takes the last initialized value of its member variables.
Shobana said:
2 decades ago
How it will print 20?
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