IntelliJ IDEA Essentials

Chapter 8. Squash'em – The Debugger

Debugging is the process of finding and reducing the number of bugs in your application. In the past, it was a fairly complicated process, sometimes requiring external tools. Today, most programming environments have an integrated debugger, an easy and enjoyable way to find errors in your code. In this chapter, we will focus on the integrated debugger. Out of the box, IntelliJ IDEA supports debugging for Java, Groovy, and JavaScript applications. The debugging functionality is incorporated in IntelliJ IDEA; you only need to configure its settings. Depending on the enabled plugins, the IDE can also support debugging for other languages, for example, Scala or PHP. We will begin by reviewing the debugger settings ...