Java is one of the world's most widely used programming languages.
Java is free to use, and runs on all platforms.
Examples in Each Chapter
Our "Try it Yourself" editor makes it easy to learn Java. You can edit Java code and view the result in your browser.
Example
public class Main {
public static void main(String[] args) {
System.out.println("Hello World");
}
}
Many chapters in this tutorial end with an exercise where you can check your level of knowledge.
What You'll Learn
This tutorial will guide you step by step, with examples and exercises along the way:
- Java syntax and basic structure
- Variables, data types, and operators
- Conditions and loops
- Methods and parameters
- Arrays and strings
- Object-oriented programming
- Classes, objects, inheritance, and polymorphism
- Exception handling
- File handling
- Collections and useful built-in classes