You can check which Java version is on your Mac to see if you have the most up-to-date Java running, or you can check on the Java website.

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

Oracle released Java 10 last week. But if you took the time to install the Java 10 JDK and poked around a bit, you'd find out that the Java 10 product was dragging around an 18.3 version label on its ...