Liskov Substitution Principle explained with simple example

Liskov Substitution Principle (LSP) is a software design principle which states that “derived class objects should be completely replaceable by their base classes“. This principle ensures that any derived class extending base class will not change their behaviour.

Before going ahead we should know why do we need software design principle and what is software design principle.

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Software design principle explained with simple example

Software design principle consists a set of guidelines invented by Robert C.Martin to avoid bad software design. These guidelines consists of five design principles for object oriented software development. These design principles are:

Together these are called SOLID design principles.

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