Object-Oriented Programming (OOP)
The following statement describes a specific concept. What is it called? a contract that defines a set of methods a class must implement without specifying how.
Difficulty: Hard
About this MCQ
This Hard Object-Oriented Programming (OOP) question asks: The following statement describes a specific concept. What is it called? a contract that defines a set of methods a class must implement without specifying how. The correct choice is A. Interface. 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. Interface ✓
- B. This/self keyword
Why not B: “This/self keyword” does not fit this question. The answer is Interface.
- C. Method overriding
Why not C: “Method overriding” does not fit this question. The answer is Interface.
- D. Abstraction
Why not D: “Abstraction” does not fit this question. The answer is Interface.
Correct answer
A. Interface
Explanation
Interface (option A) is the accepted answer to “The following statement describes a specific concept. What is it called? a contract that defines a set of methods a class must implement without specifying how.”. Option B (This/self keyword) does not fit this question. Option C (Method overriding) does not fit this question. Option D (Abstraction) does not fit this question. For this Object-Oriented Programming (OOP) question, the accepted answer is Interface.
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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