What will the result of num1 variable after execution of the following statements? int j = 1, num1 = 4; while (++j <= 10) { num1++; } write the output of the code
Question
What will the result of num1 variable after execution of the following statements? int j = 1, num1 = 4; while (++j <= 10) { num1++; } write the output of the code
Solution
The initial value of num1 is 4 and j is 1. The while loop will increment j by 1 and then check if it's less than or equal to 10. If true, it will increment num1 by 1. This will continue until j is no longer less than or equal to 10.
Here's the step by step breakdown:
- Initial values:
j = 1,num1 = 4 - First iteration:
j = 2,num1 = 5 - Second iteration:
j = 3,num1 = 6 - Third iteration:
j = 4,num1 = 7 - Fourth iteration:
j = 5,num1 = 8 - Fifth iteration:
j = 6,num1 = 9 - Sixth iteration:
j = 7,num1 = 10 - Seventh iteration:
j = 8,num1 = 11 - Eighth iteration:
j = 9,num1 = 12 - Ninth iteration:
j = 10,num1 = 13
After the ninth iteration, j is incremented to 11 which is not less than or equal to 10, so the loop ends.
Therefore, the final value of num1 after the execution of the code will be 13.
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