JRebel is a JVM plugin that lets Java developers update code instantly and see their changes reflected in their application under development without restarting the application server. JRebel is a plugin for anything that is in Java and is also IDE neutral. If you want to update your code instantly without compiling and deploying the code repeatedly, this book is for you.This book will focus on the most important development steps and will also help you save time which is otherwise spent on compilation and deployment of code. You will learn how to use JRebel with the most popular IDEs and Java servers and how to accelerate the development of your current and future Java SE and Java EE projects.This book shows you how to install JRebel, configure your favourite IDE and Java server for JRebel, and start using it on your projects.With this book, you will learn how to get a free license for JRebel and how to integrate JRebel with most Java servers and development environments. To finish, you will see how to work with desktop and web projects and how to utilize JRebel to dramatically accelerate their development.