To do the same, open Command Prompt and then run the following command to check which version of Java is installed on your computer. If it gives you a result, Java is installed, otherwise ...

Install Java on Ubuntu. To install Java on Ubuntu, a single apt install command is sufficient: sudo apt install default-jre Setting up default-jre (2:1.11-72build2) ... Install Java on Windows. To ...

There are a couple of ways to find out if you have Java installed and what version may be running. Windows users can click Start, then Run, then type “cmd” without the quotes.