To open the command prompt, go to the start menu and then type “command” until you see a shortcut that says Command Prompt. It’s how a lot of coding tools are run, and it’s how we’re going to work with Java for now. The command prompt is a text-based interface that lets you interact with the computer without any windows.
Press OK in all the dialogs to accept your changes. It’s usually something like C:\Program Files\Java\jdk1.8.0_121\bin, but with different numbers depending on the latest version of Java. button.įinally, on that screen, click the New button and then paste the path the installer put Java. On that screen, find a variable called PATH, select it, and click the Edit. On that screen, click the “Environment Variables…” button, which opens up the Environment Variables dialog: Click that, which opens the System Properties dialog: On Windows 10, you can open the start menu and just type “path” which will show you an option for editing the system environment variables.
Here are instructions for setting the PATH on different operating systems. We need to make sure that Java is on your PATH. PATH is an environment variable that tells your computer where programs are located. Remember where the installer puts Java- you’ll need that location in the next step! Set your PATH When the download completes, run the installer. That takes you to a page containing OS-specific download files. Go here and find the download button that says JDK (not JRE) and click that. Since you’ll be writing code, you need to download the Java Development Kit, aka the JDK. If you haven’t done them yet, go do them before moving on to Java! Download the JDK When we get to the programming part, I’m going to assume you’ve already been through the Processing tutorials.
This tutorial introduces Java and goes over the steps you need to follow to program Java on your computer.
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