Learn to code in Java — a robust programming language used to create software, web and mobile apps, and more.

Unlock the power of Java programming with our expert-led Java courses & tutorials on Codecademy. Gain practical skills and build a strong foundation. Enroll now!

Ready to start your journey into the Java programming language? This course will walk you through understanding the program structure of a Java program, running your very first Java-based code, …

Learn to code in Java — a robust programming language used to create software, web and mobile apps, and more.

In this course, you’ll learn the foundations of object-oriented programming, write your own classes, create your own objects, and finally dive into some of the most common built-in Java classes.

Take this course meant for experienced programmers and learn Java, one of the world's most popular languages.

Learn the technical skills to get the job you want. Join over 50 million people choosing Codecademy to start a new career (or advance in their current one).

Learn the basics of the world's fastest growing and most popular programming language used by software engineers, analysts, data scientists, and machine learning engineers alike.

A Java program must have one class whose name is the same as the program filename. In the example, the Person class must be declared in a program file named Person.java.

Building Interactive JavaScript Websites Learn the Document Object Model, the interface between JavaScript and HTML elements, and combine HTML, CSS, and JavaScript into exciting interactive …