Programming Languages Proficiency Test
A concise quiz that evaluates your grasp of current language features and common use‑cases.
Quiz Questions
Answer all questions below and test your knowledge.
- 1
In the 2015 language release that first added native async/await, which language was it?
- 2
Which language's official style guide recommends using "val" for immutable variables and "var" for mutable ones?
- 3
Which language uses the Cargo tool for package management and building?
- 4
Which runtime's LTS release numbered 20.0 is the current stable version in late 2025?
- 5
Which language enforces indentation as syntax, making whitespace significant?
- 6
Which language added record types to model immutable data carriers in its 2023 release?
- 7
Which language's official package manager is called "pip"?
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