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Questions and Answers
What is a class in object-oriented programming?
What is a class in object-oriented programming?
- An instance of an object
- A logical entity
- A collection of methods
- A template for objects (correct)
What is an object in object-oriented programming?
What is an object in object-oriented programming?
- A logical entity
- A template for classes
- A collection of methods
- An instance of a class (correct)
Do classes consume space in memory?
Do classes consume space in memory?
- Yes, classes occupy memory space
- No, classes are logical entities (correct)
- Classes consume space only when instantiated
- Classes are not related to memory allocation
Can a class exist without an object in object-oriented programming?
Can a class exist without an object in object-oriented programming?
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An object is an instance of a class.
An object is an instance of a class.
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A class is a physical entity that occupies space in memory.
A class is a physical entity that occupies space in memory.
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When individual objects are created, they inherit all the variables and methods from the class.
When individual objects are created, they inherit all the variables and methods from the class.
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A class can exist without an object, but an object cannot exist without a class.
A class can exist without an object, but an object cannot exist without a class.
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Study Notes
Classes and Objects in Object-Oriented Programming
- A class is a blueprint or a template that defines the properties and behavior of an object.
- An object is an instance of a class, and it represents a real-world entity or concept.
- Classes do not consume space in memory, as they are just templates or blueprints.
- A class can exist without an object, but an object cannot exist without a class.
- When an object is created, it inherits all the variables and methods from the class.
- An object is a specific instance of a class, with its own set of attributes and actions.
- Classes define the structure and behavior of objects, but objects are the actual instances that occupy space in memory.
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