Ready to test yourself as an Interfaces ninja? Buckle up and get ready to master the art of contracts, polymorphism, and ninja-style decoupling. In this post, we've prepared questions (and answers) about the most powerful features of Java interfaces. You'll learn how to create utility belts for your code, wear disguises to hide your implementation details, and unleash your inner code ninja with contracts that will make your code unbeatable. Let's go, ninja warriors!
Swift Is Better Than Java 