Say goodbye to the public static void main method in Java 21 with the unnamed classes and instance main methods preview features.

Get a deep dive into using method references in your Java programs, including stream operations, event listeners, and constructors and factories.

Q: When would you create static methods as opposed to instance methods? I understand that static methods allow you to use those methods without having to create an instance of that class, and that ...

Here's a topic I don't understand. What's the benefit of making a private constructor and a public getInstance method? I understand why you would make the constructor private: to keep someone from ...