Learn how to find which Java version (s) are installed without running an applet on Windows or Mac

If your JDK is on your path you should be able to tell by just running 'javac -version'. From the error you described it sounds like you're on Windows, so if the first command fails try executing (with the …

Oct 19, 2022 · There are plenty of ways to determine what version of Java you have installed, whether you're using Windows 11 or Windows 10. For example, you can usually enter "About Java" in the …

Feb 24, 2025 · No matter which version of Windows you're using, you can type "java -version" into the command prompt (cmd) to see the version number of your Java installation.

3 days ago · When you check your Java version, you’re really answering two questions: Which java.exe is being launched? What runtime (and often which JDK) does that executable represent? I’ll walk …

Jul 23, 2025 · Depending upon the operating system methods there are several methods to find the version of Installed JAVA on your Machine: Let us discuss 3 standard methods in Windows

Dec 19, 2025 · This article showed how to check the version of Java installed on a Windows system using a GUI or command prompt. Next, learn more about Java Platform and Java EE.

Jun 26, 2025 · In this comprehensive guide, you will learn how to check your Java version on Windows 10 and Windows 11 step-by-step, covering multiple methods to ensure you can verify your Java …

Nov 12, 2025 · In a Windows environment, it is essential to know how to check the installed Java version. This blog post will walk you through the fundamental concepts, usage methods, common …

Jan 28, 2026 · Learn how to check your Java Runtime Environment on Windows, macOS, and Linux: verify versions, set JAVA_HOME and PATH, fix common errors, and automate checks.