To check which version of Java you have on your Windows computer, you'll need to open the Command Prompt.

To clear the Java cache, open the Java control panel, which you can find in the Windows Control Panel or in System Preferences on a Mac.

Katie Parrott in Source Code Was this newsletter forwarded to you? Sign up to get it in your inbox. There's a tool that developers are using to 10x their productivity that most non-technical people ...