SOLID Design Principles

SOLID Stands for

• S means SRP(Single Responsibility Principle)
• O means OCP(Open-Closed  Principle)
• L means LSP(Liksov Substitution Principle)
• I means ISP(Interface Segregation Principle)
• D means DIP(Dependency Inversion Principle)

SRP(Single Responsibility Principle)

The Single Responsibility Principle (SRP) states that a class must have one single reason to change.

OCP(Open-Closed  Principle)

The Open-Closed Principle (OCP) states that a class should be available for extension, but not for modification.

LSP(Liskov Substitution Principle)

The Liskov Substitution Principle (LSP) states that  a child class should behave as the parent in classes which only knows about the parent class.

ISP(Interface Segregation Principle)

The Interface Segregation Principle (ISP) states that a class should depend upon only on things it actually needs or uses.

DIP(Dependency Inversion Principle)

The Dependency Inversion Principle (DIP) states that a class must not be concerned regarding where is gets its data from.


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