Abstract classes and interfaces in Java serve fundamentally different purposes. ... Advanced programming with Java generics. Nov 21, 2024 18 mins. how-to. How to use generics in your Java programs.

An abstract class is a template definition of methods and variables in a specific class, or category of objects. In programming, objects are units of code, and each object is made into a generic class ...

Due to Java’s Reflection API we have been able to inspect and alter program execution at runtime. In particular, we can observe interfaces/classes/methods and fields at runtime without knowing ...