Object-Oriented Programming (OOP)
Practice Object-Oriented Programming (OOP) MCQs for Pakistan exams (CSS, FPSC, PPSC, NTS) — 50 practice questions with answers and explanations.
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Object-Oriented Programming (OOP) on MCQsHub is 50 published questions for Pakistan exams such as CSS, FPSC, PPSC, and NTS. Open a question, choose an option, then read the explanation before you move on. The explanation names the correct choice and why the other options do not fit. Difficulty labels and topic tags show which idea to revise next, instead of repeating questions you already know.
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The concept in which a special method automatically invoked when an object is destroyed, used to release resou... Identify the correct definition of Destructor. What term describes the following? a class member that belongs to the class itself rather than to any individu... In computer science, Static member refers to which of the following? Select the correct name for: a keyword that controls the visibility and accessibility of a class's members, su... Which statement correctly explains Access modifier? Which concept is defined as follows: a design principle in which a class is built using instances of other cla... What is Composition primarily used for? The following statement describes a specific concept. What is it called? a relationship between two separate c... Select the accurate description of Association. Which term refers to a mechanism where the method to be executed is determined at runtime rather than at compi... What does Dynamic binding refer to? What is the name for a mechanism where the method to be executed is determined at compile time based on the ob... Which of the following best describes Static binding? Identify the correct concept described as: a variable defined in a class for which each object of that class m... Instance variable is best defined as which of the following? Choose the correct description of Singleton pattern. Which of the following best names the concept in which the process by which objects communicate with one anoth... What is the function or purpose of Message passing? The concept in which a keyword used in a subclass to refer to members or methods of its immediate parent class... Identify the correct definition of Super keyword. What term describes the following? a design guideline suggesting that building complex behavior by combining o... In computer science, Composition over inheritance refers to which of the following? Select the correct name for: the practice of restricting direct access to an object's internal data to protect... A design pattern that restricts the instantiation of a class to a single shared object. What is this concept c... Which term refers to a blueprint that defines the properties and behaviors that objects created from it will h... What does Class refer to? What is the name for an instance of a class that contains actual values for the properties defined by the clas... Which of the following best describes Object? Identify the correct concept described as: an OOP mechanism that allows a class to acquire properties and beha... Inheritance is best defined as which of the following? An OOP concept that allows objects of different classes to be treated through a common interface. What is this... Choose the correct description of Polymorphism. Which of the following best names the concept in which an OOP principle that bundles data and methods together... What is the function or purpose of Encapsulation? The concept in which an OOP principle that hides complex implementation details and exposes only essential fea... Identify the correct definition of Abstraction. What term describes the following? a special method automatically called when an object of a class is created,... In computer science, Constructor refers to which of the following? Select the correct name for: the ability to define multiple methods with the same name but different parameter... Which statement correctly explains Method overloading? Which concept is defined as follows: the ability of a subclass to provide a specific implementation of a metho... What is Method overriding primarily used for? The following statement describes a specific concept. What is it called? a contract that defines a set of meth... Select the accurate description of Interface. Which term refers to a class that cannot be instantiated on its own and may contain abstract methods to be imp... What does Abstract class refer to? What is the name for an OOP feature where a class can inherit properties and behaviors from more than one pare... Which of the following best describes Multiple inheritance? Identify the correct concept described as: a reference used within a class to refer to the current instance of...