Resources

Knowing Maven is a must-have skill for any respected Java developer. Unfortunately, memorizing the command line options and phases can be tough. Our Maven cheat sheet boils down all the essentials onto a single page for you to reference.

Spring Boot makes it easy to create Spring-based, production-grade applications. When you’re leveraging a high-performance framework like Spring Boot, you want to spend your time coding, not waiting.

Our JUnit cheat sheet includes useful annotations and code snippets, as well as pointers on assertions and assumptions and parameter resolution.

This cheat sheet is a great reminder of the most frequently used parts of RxJava including API, data processing functions, and some lesser-known tricks and utilities.

Our NetBeans cheat sheet brings together all the useful shortcuts developers use while working with the NetBeans IDE.

This cheat sheet contains the most useful classes, API, and syntax definitions for Java regex.

Our Java generics cheat sheet includes must-have information on wildcards, intersection types, producer extends consumer super (PECS), method overloading, recursive generics, and covariance.

Java 9 has introduced modules to the Java platform, changing the way we build and design applications. If you need a refresher on Java 9 modules, look no further than our cheat sheet.

This cheat sheet looks at many annotations that a Java developer should know if they want to use the Spring Framework.

With 82% of developers using IntelliJ IDEA, it’s far and away the most popular IDE for Java developers. That’s why we put together this one-page IntelliJ IDEA cheat sheet. It’s packed full of all the keyboard bindings you need to work efficiently in IntelliJ IDEA.

Download our Java 8 Streams cheat sheet.

This collection of Java resources includes everything from tips for JRebel users, to Java cheat sheets, to Java development and programming resources.