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.

The key is to design your methods to return a reference to the current object, ... which includes examples from Java 101: Classes and objects in Java. Related content.

Webucator, the instructor behind all the classes in this bundle, will walk you through several hands-on examples, such as If/Else/Else If statements, to help cement these concepts with real-life code.

When you run the inner class example, the output would be nine. Java’s Function and lambda expression example. Of course, the whole idea of the functional interface is to incorporate lambda ...

Java’s main function. Java’s main method is composed of six terms — three reserved words, the main method name, a reference type and a variable name: public – Java’s main function requires a public ...