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

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. This wikiHow article will …

Jul 23, 2025 · JRE = JVM + Library Classes Now, The first and Foremost step is to check the Java Development Kit in Windows which is also known as JDK. There are lots of versions of Java. …

Jan 8, 2024 · To use this method, open the "Start" menu, search for "About Java," then click the first result. Here, you'll see your current Java version listed in the first line. If you don't see About Java in …

Mar 24, 2026 · Knowing how to find the Java version installed on your system is crucial. This can help you troubleshoot compatibility issues, ensure that your code runs on the expected Java environment, …

Java Runtime JRE and the Java development kit JDK are two separate things. If you want to check the version of the Java compiler used within your local JDK use javac -version.

Jan 16, 2026 · How to Check Java Version: A Comprehensive Guide Java is one of the most popular programming languages and runtime environments, powering billions of applications—from mobile …

Jun 21, 2010 · In the terminal, we can use `javac -version` to check the JDK version, and `java -version` to check the JRE version.

Jan 16, 2026 · The Java Virtual Machine (JVM) is the cornerstone of Java’s "write once, run anywhere" philosophy. It executes Java bytecode and provides runtime environments for Java applications. As …

Want to find the currently installed Java version number? Follow the steps in this article to check the Java version in Windows 10 and 11.