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, move to ...

There are many ways to install Java on Windows or Ubuntu Linux. Here are two simple examples. Install Java on Ubuntu To install Java on Ubuntu, a single apt install command is sufficient: sudo apt ...

OS X has historically come with Java pre-installed, but even though it is optional in the latest version (OS X Lion), unfortunately once installed on a system there is no official way to uninstall it.

The following command permanently points JAVA_HOME to the location you set: setx JAVA_HOME -m "C:\_jdk25.0" The option to manually set JAVA_HOME through the command line is especially useful if you ...