Note: You may either set the User-level Path variable or the System-wide Path variable. Otherwise, an error message will be shown and you might need to reinstall Java or set the Path variable as given below. If this command returns a version number, Java is installed and the Path environment has been set. Open Command Prompt(Windows) or Terminal(Mac/Linux) window.Ģ. You can manually check if Path variable has been set once the installation is complete by following this simple method:ġ. How to check if Java is already installed and the Path variable has been set? Modern Java installers do this automatically. If you want to execute Java programs, you need to install Java Development Kit(JDK) or Java Runtime Environment(JRE) and include the Java Executable location to the Path Environment Variable. FAQ - Environment Setup How to set Environment variables for Java JDK on your machine?
