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Example to Illustrate Union

Illustrate how members of union are sharing same memory.

Program or Solution

union area
   int x, y;
int main()
    union area a;
    a.x = 2; 
    printf ("After making x = 2:\n x = %d, y = %d\n\n",
             a.x, a.y);
    t.y = 10;  
    printf ("After making Y = 10:\n x = %d, y = %d\n\n",
             a.x, a.y);
    return 0;


Program Explanation

because both x any shares same memory changes in on variable affects the another.