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Questions and Answers
What does the Single Responsibility Principle (S.R.P) state?
What is the Open/Closed Principle (O.C.P) about?
What is the Liskov Substitution Principle (L.S.P) concerned with?
What is the Interface Segregation Principle about?
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What is the Dependency Inversion Principle focused on?
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Study Notes
SOLID Principles
Single Responsibility Principle (S.R.P)
- A class or module should have only one reason to change, i.e., it should have a single responsibility or task.
- This principle aims to ensure that a class is not overly complex and has a single, well-defined purpose.
Open/Closed Principle (O.C.P)
- A software entity (such as a class, module, or function) should be open for extension but closed for modification.
- This means that you can add new functionality without modifying the existing code.
Liskov Substitution Principle (L.S.P)
- Derived classes should be substitutable for their base classes, i.e., any code that uses a base class should be able to work with a subclass without knowing the difference.
- This principle ensures that inheritance is used correctly and that subclasses are true substitutes for their base classes.
Interface Segregation Principle (I.S.P)
- A client should not be forced to depend on interfaces it does not use, i.e., clients should not be forced to implement interfaces that have operations they do not need.
- This principle aims to ensure that interfaces are designed to meet the needs of specific clients, making them more flexible and easier to use.
Dependency Inversion Principle (D.I.P)
- High-level modules should not depend on low-level modules, but both should depend on abstractions.
- This principle focuses on decoupling dependencies between modules, making the system more flexible and maintainable.
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Description
Test your knowledge of the SOLID principles with this quiz. Learn about Interface Segregation, Open/Closed, Liskov Substitution, Single Responsibility, and Dependency Inversion.
