In Java, methods can be categorized into class methods (static methods) and object methods (instance methods). The key difference between them lies in how they are called and what they operate on. 1.

Learn the difference between classes and interfaces once and for all, ... An example of a default method in Java’s standard class library is java.util.Comparator<T>‘s default Comparator<T ...

For an introduction to Java interfaces, including the difference between classes and interfaces, see my Java 101 tutorial Working with interfaces in Java. Nesting interfaces in classes Java lets ...