Grokking SOLID Design Principles
Ask Author
Back to course home

0% completed

Introduction to the Interface Segregation Principle
Table of Contents

Contents are not accessible

Contents are not accessible

Contents are not accessible

Contents are not accessible

Contents are not accessible

The Interface Segregation Principle (ISP) is the fourth principle in the SOLID design principles. It states:

"Clients should not be forced to depend on interfaces they do not use."

This means that a class should only implement the methods it actually needs. Large, general-purpose interfaces can become problematic when they force implementing classes to include methods they don't require. Instead, it's better to create smaller, more focused interfaces.

The Problem: A Bloated Printer Interface

Let’s explore this principle using a real-world example: a printer system.

.....

.....

.....

Like the course? Get enrolled and start learning!

Table of Contents

Contents are not accessible

Contents are not accessible

Contents are not accessible

Contents are not accessible

Contents are not accessible