Abstract classes and interfaces in Java serve fundamentally different purposes. Learn the differences between these Java language elements and how to use them in your programs.

In Java ‘abstract’ keyword is used to write a class that declares the generic structure which must later be implemented by its subclasses. The abstract keyword can be used in different ways ...

Java Console class input and ouput The easiest way to garner user input in a Java program is to use the System’s Console class. Introduced in Java 6, Java’s System Console class provides two simple ...