alleryMatch state changes: 1. Pure: p. No side fx 2. Impure: q. Mutates 3. Query: r. Inspect
A1-p, 2-q, 3-r
B1-p, 2-r, 3-q
C1-q, 2-p, 3-r
D1-r, 2-p, 3-q
Answer & Solution
Correct answer: A. 1-p, 2-q, 3-r
Pure methods compute results without modifying object state, impure methods cause state mutations, and query methods inspect fields.
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