What will the result of num1 variable after execution of the following statements? int j = 1, num1 = 4; while (++j <= 10) { num1++; }
Question
What will the result of num1 variable after execution of the following statements?
int j = 1, num1 = 4;
while (++j <= 10)
{
num1++;
}
Solution
The initial value of j is 1 and num1 is 4.
The while loop will increment j by 1 before checking the condition (++j). So, in the first iteration, j becomes 2.
The condition checks if j is less than or equal to 10. If true, it enters the loop and increments num1 by 1.
This process repeats until j is no longer less than or equal to 10.
Since j starts at 2 in the first iteration and ends at 10 in the last iteration, the loop runs 9 times.
Therefore, num1 is incremented 9 times, so the final value of num1 after the loop is 4 (initial value) + 9 (increments) = 13.
So, the result of num1 variable after execution of the statements will be 13.
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