Java Tutorials: Learn Java Online for Free

Watching Java tutorials is a great way to learn this popular object oriented programming language designed for application development. The general-purpose language is known to be fast, secure, and reliable. We’ve listed the best Java tutorials for beginners and the best free Java tutorials in this article.

Java ranked in the top three most popular programming languages according to the TIOBE Index. Developers use Java for a wide range of applications such as games, mobile applications, and web applications. Other uses include big data analytics and server-side technologies like JBoss, GlassFish, and Apache. Read on for a bonus list of the best advanced Java tutorials.

Best Java Tutorials for Beginners or Experts

Best Java Tutorials for Beginners

Introduction to Java Programming

This high-quality Java tutorial is free if you sign up with Code Academy. The course will teach you all the basic aspects of object oriented programming. You’ll discuss concepts like basic conditionals, control flow, array lists, arrays, string methods, and loops. Along with the interactive tutorial, you’ll get to build Java projects such as basic calculators. It covers all the basics for beginners. 

Java Virtual Machine(JVM) Basics

Java is a high-level programming language, which means it is easily read and written by people. This tutorial for beginners teaches you about the Java compiler and other essential aspects of Java Virtual Machine (JVM) and how the JVM works. 

First Java Program

Through this beginner level tutorial, you’ll learn about Java programming basics that teach you how to run a Java program. It also covers Java syntax and code conventions, and you’ll write and compile the program step-by-step. 

Variables in Java

Another one of the best Java tutorials for beginners is this one by Beginnersbook. It teaches students about Java variables. You’ll become more familiar with the types of variables and their examples. You need to know this basic concept to create programs using this excellent language.

Java Operators

Students will learn about the basic arithmetic operators in this Java tutorial. They’ll learn essential concepts like assignment operators, logical operators, bitwise operations, ternary operators, auto-increment, and auto-decrement operators. This tutorial is free, and it has a lot of examples that students can follow.

Best Advanced Java Tutorials

Java Arrays

The first on our list of the best advanced Java tutorials are by Java Made So Easy. It is a free tutorial that discusses Java Arrays Syntax. The prerequisite to this class in Java is that you should know what variables are and how to create them.

Arrays store multiple values in a single variable instead of declaring independent variables for each value. This tutorial will help you grasp dimensional arrays and the different array techniques. It covers complex concepts, and is aimed toward advanced users.  

Methods in Java Revisited

This tutorial at the advanced level discusses methods in Java programming. Java methods are time savers, and they ensure that code isn’t duplicated. You’ll also learn about method scope. Java tutorials and courses like this will expand your knowledge of calling methods and discuss parameters with examples.

This tutorial is free, and the lesson is designed for developers who are already familiar with the basic language features. It is a fairly straight-forward tutorial that should not take a long time to complete.   

Logical Operators

Java uses many different operators, and each operator is for a different function. Java has two subtypes of logical operators. These are conditional and relational. Through their training, students will learn how to use this to make powerful and flexible programs. Understanding these concepts and the difference between each operator will help in making code easier to read.

Creating Java Objects

There are dozens of lessons in this advanced series of tutorials, providing students with a complete package. Java is an object oriented programming language, and objects result from this programming style. You’ll learn about creating a new object and concepts like default constructors, setters, and getters. It is a free tutorial providing many examples you can follow. 

Java Packages

Java packages group components in the same class, like a file folder, to organize them. There are built-in packages and user-defined packages. With the help of screenshots, this Java tutorial teaches you how to create a correct package and the benefits of using it.

Best Free Java Tutorials

Java – Basic Data Types

This Java Programming tutorial will teach students about data types and variables. You’ll learn about primitive data types and reference/object data types. There are also a lot of examples that students can follow to understand OOPs concepts further.

Java – Constructors

Looking at the best free Java tutorials, this one teaches you about constructors and how essential they are in using an object oriented programming language. There are also examples of code that students can follow along the way. The tutorial also shows the preferred output from learning these concepts.

Java – Files and I/O

This tutorial will learn about byte streams, character streams, and standard streams. A stream is a data sequence that includes InPutStream that reads data and OutPutStream to write data. Basically, data needs to come from somewhere and go to a destination. 

Java – Sending Email

For this tutorial, students will learn about using the Java application and how to send an email. You’ll need to install JavaMail API and Java Activation Framework. The course outlines a few examples which are easy to navigate. 

Java – Multithreading

This tutorial covers how to develop multi-threaded programs using Java. In addition, students will better understand the life cycle of a thread and thread priorities. The tutorial outlines specific steps in creating a thread by implementing a runnable interface. There are also examples that students can follow.

Java Tutorials: The Best Way to Learn Java

The best way to learn Java is through Java tutorials. Besides searching the best Java tutorials for beginners or the best advanced Java tutorials, you can attend Java bootcamps which are short and intensive. These short courses specialize in the most essential and foundational skills you need to understand this programming language. Read about what Java is used for once you’ve completed the bootcamp.

Java Tutorials FAQ