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Loops (for/while/do-while)

Computer Science · Java

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About this practice set

Loops (for/while/do-while) is part of Computer Science (Java). Questions are generated with new numbers each time you practise. Levels available: Easy. After you answer, an explanation is shown.

Example questions

A taste of what you will practise. Answers are revealed after you try.

  • Easy

    What does this Java code print? int sum = 0; for (int i = 0; i < 4; i++) { sum += 1; } System.out.println(sum);