How to know which version of java is installed

We will use java command from the command line to get information about Java or JRE installation of Linux distributions. We can also use the currently installed Java version from the web.

We will see a screen like below. First, we will click on the Agree and Continue button. For security reasons, current popular browsers have disabled the Java or JRE by default. So Google Chrome, Mozilla Firefox, etc. If Java is enabled for browser we will see the current version of Java without a problem. Alternatively setup a proper IDE like eclipse, it can easily handle multiple Java installations.

Also note that you don't need to install other versions, they are backwards compatible and can be run in older versions mode. Again an IDE can do this with 2 simple clicks in the settings. Add a comment. Active Oldest Votes. Improve this answer. Yogesh Yogesh 91 5 5 bronze badges. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown.

The Overflow Blog. Stack Gives Back Safety in numbers: crowdsourcing data on nefarious IP addresses. Method 4. Start a terminal window with the terminal window open type in "java -version" This should return something like Java TM 2 Runtime Environment, Standard Edition build 1.

Use this freely available Internet tester provided by Java [1] X Research source and click the test java version button. With Firefox 2 or 3: In Firefox versions 2 and 3, enter in the address bar: about:plugins. If Java is installed there will be multiple Java entries. Each ActiveX control has a "code base" and for each of the Java entries it will display the version number.

Include your email address to get a message when this question is answered. By using this service, some information may be shared with YouTube. Submit a Tip All tip submissions are carefully reviewed before being published. You Might Also Like How to. How to. Co-authors: Updated: August 6, Categories: Java.

Italiano: Determinare la Versione di Java. Bahasa Indonesia: Menentukan versi Java. Nederlands: Bepalen welke versie van Java je hebt. Thanks to all authors for creating a page that has been read , times. Is this article up to date? Yes No. Cookies make wikiHow better. By continuing to use our site, you agree to our cookie policy.