Match wrapper traits: 1. State: p. Immutable 2. Mem: q. Heap object 3. Kind: r. Non-prim
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
Wrapper class instances reside on the heap, are non-primitive reference objects, and are immutable once created.
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