What is the command to check Java version?
- Open the Windows Start menu in the bottom-left corner and type cmd in the search bar.
- Then, open the Command Prompt once it appears in the search results.
- A new window with the command prompt should appear. In it, type the command java -version and hit Enter.
How do I know if Java is running on Linux? On Linux, you can view processes with the ps command. It is the simplest way to view the running processes on your system. You can use the ps command to view running Java processes on a system also by piping output to grep . OpenJDK, however, has its very own specific process monitor.
How do I check if Java is installed? Open command prompt and enter “java –version”. If installed version number is displayed. 2. On Windows, Java is usually installed in the directory C:/Program Files/Java.
Which Java version do I have Linux? Conclusion. Finding out what Java version is installed on your Linux system is very easy, just type java -version .