Introduction: How to Write Your First Java Program
This tutorial shows you how to write your first Java program step by step.
Step 1: Download the Java JDK
Go to https://www.oracle.com/java/technologies/javase-jdk13-downloads.html and click the link that matches the machine you are using. Then, accept the license agreement.
Step 2: Download Eclipse
Go to https://www.eclipse.org/downloads/ and click on the circled buttons to start the download. When the download is complete, click "run". The eclipse installer will start.
Eclipse is used to write programs in an integrated environment that is easy to use.
Step 3: Launch Eclipse
Launch eclipse and select "Eclipse IDE for Java Developers". Then select where you want your projects to be stored on your computer. The default option is suitable for this tutorial.
Step 4: Setting Up Your Project
Go to file->new->Java Project and name your project.
You do not need to designate a package name.
If Eclipse prompts your for "Module-info" click "dont create".
Next, right click on the "src" folder and click "new"->"class".
Name the file "HelloWorld" and check the boxes "public static void main (String args)" and "Generate Comments"
Step 5: Writing and Running the Program
type "System.out.println("Hello World!");" between the curly braces of "public static void main(String args)".
Then click the green "run" button on the top left of the screen.
You should see the output of your program on the bottom of the screen.
Congratulations! You wrote your first program!
Next stop, Google!