Let's make a contract: the art of designing a Java APILet's make a contract: the art of designing a Java API 1. Let's make a contract: the art of designing a Java API by Mario Fusco mario.fusco@gmail.com @mariofusco 2. What is an API? 3. What is an API? 4. An API is what a developer uses to achieve some task What is an API? 5. What is an API? An API is a contract between its implementors and its users 6. And why should I care? We are all API designer
