Object-Oriented Programming (OOP)
Identify the correct concept described as: a variable defined in a class for which each object of that class maintains its own separate copy.
Difficulty: Medium
About this MCQ
This Medium Object-Oriented Programming (OOP) question asks: Identify the correct concept described as: a variable defined in a class for which each object of that class maintains its own separate copy. The correct choice is A. Instance variable. Read the options below, commit to one, then use the explanation to see why that choice holds and why the others do not.
Object-Oriented Programming (OOP) items like this one are written for Pakistan exams such as CSS, FPSC, PPSC, and NTS. The difficulty label is a hint about how much of the topic the stem assumes, not a score. Tags and exam names, when they are present, tell you where else the same idea is tested. Previous and next links stay in Object-Oriented Programming (OOP) so you can continue the subject. Related questions point at nearby stems if you want another angle on the same idea.
Treat the explanation as part of the question, not a footnote. If you missed it, reread the stem against the correct option before you open the next Object-Oriented Programming (OOP) item. A timed quiz is the same pool with a clock and a score. A past paper is a full sitting rather than this single question.
- A. Instance variable ✓
- B. Data hiding
Why not B: “Data hiding” does not fit this question. The answer is Instance variable.
- C. Super keyword
Why not C: “Super keyword” does not fit this question. The answer is Instance variable.
- D. Message passing
Why not D: “Message passing” does not fit this question. The answer is Instance variable.
Correct answer
A. Instance variable
Explanation
Instance variable (option A) is the accepted answer to “Identify the correct concept described as: a variable defined in a class for which each object of that class maintains its own separate copy.”. Option B (Data hiding) does not fit this question. Option C (Super keyword) does not fit this question. Option D (Message passing) does not fit this question. For this Object-Oriented Programming (OOP) question, the accepted answer is Instance variable.
Source: Object-Oriented Programming (OOP) Official Reference Guide
Tags: computer science, oop, object-oriented programming, software design
Submitted by: MCQsHub Editorial
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