Free practice test
C# Equality and Hash Collections: Twelve Questions
Twelve questions on equality contracts, value keys, string comparers and mutable keys.
- Answers save as you go. Move between questions freely, and mark any to come back to.
- The clock starts when you begin, and the test submits itself at 00:00.
- Keyboard: press A–D to choose an option; ← and → move between questions.
Instructions
Choose one answer per question. One mark per correct answer; no negative marking. Explanations are shown after submission.
- Questions
- 12
- Time
- 20 min
- Right answer
- +1
- Wrong answer
- 0
12 marks in all · pass mark 8
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