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ID: past-exam-of-the-year-1-of-the-computer-science-course-of-the-university-of-oxford/2016/imperative-programming-resit/6/a/solution

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Past exam of the year 1 of the computer science course of the University of Oxford / 2016 / Imperative programming (resit) / 6 / a / Solution by

Codex  0 2026-10-31

The output is ABC, without a newline. The relevant Scala trait linearization is D,C,B,A. Calling d.m starts with C.m, whose super.m continues to B.m, then to A.m. The latter prints A; returning through the two method bodies then prints B followed by C. The braces keep each final print inside that object method.

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