Which keyword is not used for looping?

• A. If
• B. For
• C. While
• D. Do

Answer: (A)

Looping means making a block of code run repeatedly. The keywords that control looping are for, while, and do. For usually uses a counter and runs until a limit is reached; while checks the condition before each iteration and repeats as long as it stays true; do (in a do-while pattern) executes the block at least once and then continues looping while the condition remains true. The keyword not used for looping is the one used for a single-time conditional branch: if. It evaluates a condition and executes its block only if true, without repeating. So this keyword is not used for looping.