Java cheat sheet

Get started using one of the most commonly used programming languages with this Java cheat sheet.

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 Java Development Kit (JDK).

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