Figure from the original question paper

(D) Subtyping allows Programmer to be used wherever a SeniorProgrammer is expected.

(A) SeniorProgrammer is a valid subtype of Programmer because it has all methods of Programmer and additional functionality.

(B) Programmer is not a valid subtype of SeniorProgrammer because it lacks the method reviewCode()

(C) Subtyping allows SeniorProgrammer to be used wherever a Programmer is expected.

Programming Concepts using Java · Quiz 1 · 23 Feb 2025 · January 2025 term

Java Quiz 1 23 Feb 2025 — Question 2

Question 2

+6 marksOne correct option

A
SeniorProgrammer is a valid subtype of Programmer because it has all methods of Programmer and additional functionality.
B
Programmer is not a valid subtype of SeniorProgrammer because it lacks the method reviewCode()
C
Subtyping allows SeniorProgrammer to be used wherever a Programmer is expected.
D
Subtyping allows Programmer to be used wherever a SeniorProgrammer is expected.

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Correct answer

D
Subtyping allows Programmer to be used wherever a SeniorProgrammer is expected.

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Question 2 of 15 in the IIT Madras BS Programming Concepts using Java (Java) Quiz 1 paper sat on 23 Feb 2025, in the January 2025 term (IIT M DIPLOMA AN EXAM QDD2 23 Feb 2025). It carries 6 marks.

Java Quiz 1 23 Feb 2025 — Question 2

Question 2

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