Learn Java for free with this interactive course, and get a handle on one of the most popular programming languages in the world.

You'll start with a simple hello world program and proceed to cover common concepts such as Conditional Statements, Loop Statements, Math, and Logic in Java, before moving on to more advanced concepts like Inheritance, Generics, and ArrayLists, along with much more.

By the time you're done, you'll be an intermediate level Java developer, ready to take on your own projects.

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Which visibility type fulfills this requirement: "It can only be called by the class it is defined in"?

Which visibility type fulfills this requirement: “It can only be called by the class it is defined in”?

The returnVariable and the returnType must have what feature in common?

The returnVariable and the returnType must have what feature in common?

It can only be called when an object is declared

It can have both static and non-static objects

It can be called without an object being declared

If a method is made to be static, which of the following is true?

If a method is made to be static, which of the following is true?

Method A creates an object and passes it to method B as argument, which modifies it. The modification changes the object defined in method B.

Method A creates an object and passes it to method B as argument, which modifies it. The modification changes the object defined in method B.

To test your understanding of methods, let's take a short quiz.

Getting Started with Java!

Variables & User Input

Simple Maths & Logic

Strings and String Processing

Conditional Statements

Loops

Methods

Arrays

Classes and Inheritance

Generics

ArrayLists

Java Exam

Quick Quiz!