SOLID principles

Interface Segregation (I)

No client should be forced to depend on methods it doesn’t use. Prefer many small, role-specific interfaces over one fat one. An animated lesson where the diagram draws itself as the design grows.

  • Lesson 4 of 5
  • Animated diagrams

Sign in with Google or GitHub and you land straight on this page. DSA comes with the all labs plan and every ChaiCode batch.

5 lessons, each with diagrams that draw themselves.

What you will learn

  • The fat-interface smell
  • Empty / throwing methods
  • One change ripples to unrelated clients
  • Split by ROLE

More low-level design

Watch Interface Segregation (I) take shape

Sign in and the lesson opens with its diagram ready to play, and the rest of SOLID principles beside it.

DSA comes with the all labs plan and every ChaiCode batch.