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.

2017年6月20日 · I want to check what version of Java is installed on my PC before installing the latest Java update. How can I do this?

2011年12月12日 · There are two varieties of JRE available. Java VM: IBM vs. Sun. Is there a way to know which JRE I am using through JavaScript or some Java issued command.

how to check the jdk version used to compile a .class file [duplicate] Asked 16 years, 4 months ago Modified 1 year, 6 months ago Viewed 388k times

2014年4月24日 · Is there any way to find out which JavaFX version is installed. And I DON'T mean programmatically via System.getProperty("javafx.runtime.version") , which returns an …

2014年6月14日 · Type the command mvn -version directly in your maven directory, you probably haven't added it to your PATH. Here are explained details of how to add maven to your PATH …

2013年9月19日 · I am trying to install java windows application on client machine.I want to check whether requried JRE is installed on the machine or not. I want to check it by java program not …

When trying to check the current version of Java in which I am running, I received the error "java is not recognized as an internal or external command, operable program or batch file.".

To find out the Tomcat version, find this file – version.sh for *nix or version.bat for Windows. This version.sh file is normally located in the Tomcat bin folder.

2011年1月13日 · I need to know where JDK is located on my machine. On running Java -version in cmd, it shows the version as '1.6.xx'. To find the location of this SDK on my machine I tried …