The page contains examples on basic concepts of Java. You are advised to take the references from these examples and try them on your own. All the programs on this page are tested and should work on all platforms. Want to learn Java by writing code yourself? Enroll in our Interactive Java Course for FREE.

A "Hello, World!" is a simple program that outputs Hello, World! on the screen. Since it's a very simple program, it's often used to introduce a new programming language to a newbie. Let's explore how Java "Hello, World!" program works. Note: You can use our online Java compiler to run Java programs.

If you want to learn Java for free with a well-organized, step-by-step tutorial, you can use our free Java tutorials. Our tutorials will guide you through Java one step at a time, using practical examples to strengthen your foundation.

Basic Structure of a Java Program As we have seen from the last example, a Java program requires a lot of lines even for a simple program. For now, just remember every Java program we write will follow this structure. class Main { public static void main(String[] args) { ... } } We will write our code in place of ... inside curly braces.

A method is a block of code that performs a specific task. In this tutorial, we will learn to create and use methods in Java with the help of examples.

In this tutorial, you will learn simple ways to display output to users and take input from users in Java. We will use the print () method to display output and the Scanner class to take input.

Objects and classes are the core concept of object-oriented programming. In this tutorial, you will learn about the objects and classes in Java with the help of examples.

In this tutorial, we will learn to work with Java arrays. We will learn to declare, initialize, and access array elements with the help of examples. An array is a collection of similar data types.

The best way to learn JavaScript is by practicing examples. The page contains examples on basic concepts of JavaScript. You are advised to take the references from these examples and try them on your own.

In this program, you'll learn to print a number entered by the user in Java. The integer is stored in a variable using System.in, and is displayed on the screen using System.out.