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UGC NET CSE | June 2005 | Part 2 | Question: 11

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After $3$ calls of the $c$ function bug ( ) below, the values of $i$ and $j$ will be :

int j = 1;
bug ()
{
    static int i = 0; int j = 0;
    i++; j++;
    return (i);
}
  1. $i = 0, j = 0$
  2. $i = 3, j = 3$
  3. $i = 3, j = 0$
  4. $i = 3, j = 1$
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D would be the correct answer.

Because i static variable so it will retain its value during each function call so the value of i after 3 function calls would be 3 whereas j(inside the bug() function) is non-static variable so j would be initialized with every function call so after last call value of j=1.

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Answer: D

For “i” value, I am satisfied with @Divyanshu Shukla explanation.

For “j” value, I think its value after the 3 function calls is independent of “bug()” function. Because after the function call memory allocated to “bug() function ” will be removed from the stack frame. So j = 1, is because of globally defined value of j( First line “int j = 1;”).
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