[Java] Resolve your confusion between 'Interface vs Abstract Class' once and for all! A versatile mental model for the workplace

So, which one should I actually use: an interface or an abstract class?It's a massive wall that everyone hits at least once while learning Java. That is the 'Interface vs Abstract Class' problem.When ...

Organizing interface, abstract, extends, and implements after returning to Java after a long time

When studying Java, these things often come up.interface abstract extends implementsEven if you have seen the names before, ...