The Interface Segregation Principle (ISP) is a core concept in object-oriented design, crucial for creating robust, maintainable systems. It asserts that clients should not be forced to depend on interfaces they do not use. Instead, interfaces should be tailored to the specific needs of each client. This principle helps in avoiding the pitfalls of bloated and complex interfaces that can lead to fragile and hard-to-maintain code. In this article, we will explore the Interface Segregation Principle in detail, providing code examples, demonstrations, and results to illustrate its importance and application.