Determining Your Version of Java

For a Windows Machine

1. From the Start menu, choose Run. The Run dialog box will appear.
2. Type cmd into the Run dialog box and click OK. This will bring you to a command line interface.
3. Type java -version on the command line and hit Enter.
4.Type exit(or just close the window) to exit the command line interface.

For a Mac

1. Open a terminal.
2. Type java -version and hit enter.
3. Type exit (or just close the terminal) to exit the command line interface.

For a Linux Machine

1. Open a terminal.
2. Type java -version and hit enter.
3. Type exit (or just close the terminal) to exit the command line interface.