Java is one of the most popular programming languages in the world, with a vast range of applications across different industries. If you're interested in learning how to build Java applications, the first step is to download and install the necessary tools.

In this tutorial, we will guide you through the process of downloading and installing the Java Development Kit (JDK) and IntelliJ, a popular code editor. Once you have these tools, you'll be ready to start creating your own Java programs.

Step 1: Downloading JDK

The first step is to download the JDK from the Oracle website. The JDK is a software development environment for building Java applications, and it includes a compiler, a Java runtime environment, and a variety of other tools.

To download the JDK, go to the Oracle website and search for "JDK download." You'll see a page for the Java SE (Standard Edition), which is the version of Java that we'll be using in this tutorial. Click on the appropriate link for your platform (Windows, Mac, or Linux).

Once you've downloaded the JDK, follow the installation instructions. You'll need to accept the license agreement and enter your computer's password. Once the installation is complete, you can move the installer package to the trash.

Step 2: Downloading IntelliJ

The next step is to download a code editor. There are many different code editors available for Java, but in this tutorial, we'll be using IntelliJ. IntelliJ is a powerful code editor with a range of features that make it easy to build Java applications.

To download IntelliJ, go to the JetBrains website and search for "IntelliJ download." Click on the link for the Community edition, which is free to download and use.

Once you've downloaded the IntelliJ installer, drag and drop it into the Applications folder. Then, follow the installation instructions to complete the installation process.

Step 3: Getting started with Java programming

Now that you have the JDK and IntelliJ installed, you're ready to start building Java applications. The next step is to learn the basics of Java programming, including the syntax and structure of Java programs.

One of the best ways to learn Java programming is to start with simple programs and work your way up to more complex applications. There are many online resources available to help you learn Java programming, including tutorials, videos, and forums.

To get started, try writing a simple "Hello, World!" program in Java. Here's an example:

public class HelloWorld {
   public static void main(String[] args) {
      System.out.println("Hello, World!");
   }
}

This program creates a class called "HelloWorld" with a main method that prints out the message "Hello, World!" to the console. To run the program, you'll need to compile it using the JDK and then run it using the Java runtime environment.

Conclusion

In this tutorial, we've shown you how to download and install the JDK and IntelliJ, two essential tools for building Java applications. We've also provided an example of a simple Java program to help you get started with Java programming. With these tools and some practice, you'll be well on your way to becoming a skilled Java developer.