Java Development Kit (JDK).
Java is a widely used object-oriented programming language. It runs in a Java Virtual Machine (JVM), a layer that translates Java code into bytecode compatible with your operating system. With this 2-page cheat sheet, you'll have access to quick reminders for how to use Java packages, imports, variables, classes, arguments, and more. If you don't have Java installed yet, be sure to download a To download this cheat sheet, log in or enter your email address and country below.