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    Guided course · C# Language

    C# Internals: Boxing and Unboxing: back to the course

    Module 7 · Module Practice Tests and Final Mock · Lesson 25 of 27

    Practice Test: Tracing and Measuring Boxing

    12 min readTechInterviewNotes Editorial TeamUpdated 14 Oct 2026Save

    This lesson comes with Full Access

    Its text, video and cheat sheet open with Full Access. This course's free lessons open without an account. Start with First principles: why boxing exists.

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