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Java Programming Online Test

20 questions in 30 minutes, drawn at random from 876 questions across 27 topics. Every question carries a written explanation.

Java Programming practice tests are assembled fresh each time you start, so you can sit one repeatedly without meeting the same paper twice. The pool behind this test holds 876 questions across 27 topics and 1 subject.

  • 20 questions, selected at random each time you start.
  • 30 minutes, at 90 seconds a question.
  • One mark per question. No negative marking.
  • Every answer comes with a written explanation, not just a letter.

Start test

What the pool is made of

  • Java Programming 876 questions · 27 topics · 100%

Difficulty of the question pool

  • Very Easy 40 questions · 5%
  • Easy 148 questions · 17%
  • Medium 269 questions · 31%
  • Hard 277 questions · 32%
  • Very Hard 142 questions · 16%

Where the pool is deepest

  • Objects and Collections - Finding the output 101
  • Threads - General Questions 99
  • Threads - Pointing out the correct statements 99
  • Objects and Collections - Pointing out the correct statements 98
  • Assertions - Pointing out the errors 95

Two things worth knowing

  • Answers carrying a written explanation100%

Subjects