"I sort of understand classes and instances, but I don't really get the true benefits of object-oriented ...

Learn how to use lazy instantiation and eager instantiation in your Java programs. Which approach is better? It depends on the scenario. When instantiating Java objects that are expensive in terms of ...

JEP 401, Value Objects (Preview), has been integrated into JDK 28. It introduces identity-free class instances with only final fields, changes how == behaves for those objects, and opens the door to ...