Questions and Answers
What is the purpose of a class in object-oriented programming?
To provide a template for building an object
What is the main difference between object-oriented programming and procedural programming?
Object-oriented programming uses objects
What is the purpose of method overloading?
To provide different implementations of a method
What is encapsulation?
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What is the purpose of inheritance?
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Study Notes
- Object-oriented programming is a programming paradigm that allows programmers to represent real-world circumstances with objects.
- Objects include students, workers, books, etc. and can communicate with one another by exchanging messages.
- A class is a template for building an object and is required in order to generate objects.
- Procedural programming is based on functions and does not use objects.
- Object-oriented programming is more flexible and easier to modify and extend than procedural programming.
- Method overloading and method overriding are two features of OOPs that allow for different implementations of a method to be provided by different classes.
- In inheritance, different types of objects can inherit properties and methods from other types of objects.
- OOPs provide a way to wrap up data into a single unit, which is called encapsulation.
- In object-oriented programming, classes are responsible for encapsulating the data and methods of a particular object.
- Classes can inherit characteristics and behaviors from other classes, which makes code reuse easier.
- Polymorphism allows for the creation of several objects from a single, adaptable class of code.
- A constructor is a special kind of method used to initialize objects of the class.
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