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 ...

This is an example of Java inheritance with method overriding. First, ... The difference between a class and an interface, in this case, is that interfaces don’t keep state.

Kotlin vs Java, the latter offers more succinct code – with no findViewByIds. If you compare a Kotlin class and a Java class that are performing the same work, then the Kotlin class will ...