Debugger: working with sub-ranges for arrays and lists

This Debugger Upskill blog post is the first in a series devoted to the IntelliJ IDEA debugger. In the upcoming articles, we’ll describe its core functionality as well as features designed for peculiar use cases. Our topic for this post is stepping, an invaluable procedure that allows you to move along your code to analyze it and find problems. We’ll explore how basic and advanced stepping actions help you use the IntelliJ IDEA debugger more efficiently. To start stepping, you must either pause an ongoing debugging session or let the program stop at a breakpoint. When you are ready, you

One of the most common debugging techniques, printf debugging is particularly popular because most people learn it intuitively when debugging their first programs. This type of debugging is also very accessible because you don’t need any special tools for it. You just insert print statements into your source code and see how it operates at runtime. This practice can reveal suboptimal routines, inconsistent state problems, synchronization issues, and more: If you are a fan of this approach, then this post is for you. We will be looking at some of the features IntelliJ IDEA provides that can im

Shortcuts are in IntelliJ IDEA’s DNA: every possible action is at your fingertips – even those you didn’t think you needed. We share helpful shortcuts with you quite frequently, so by now, you may very well be a shortcut expert. But believe it or not – there are a few shortcuts that perhaps not even you are aware of! This post covers some of the underrated keyboard combinations IntelliJ IDEA supports. Check them out and give them a try! If you use any other lesser-known shortcuts, share them in the comments below. Underrated Shortcuts ⌥ “x” or Alt+“x” – Close all inactive tabs I

Developers and other users of JetBrains IDEs have been using the integrated Markdown support for a long time. It is great for editing your project’s README.md file, as well as any documentation that comes with the source code, or even your static web site sourced in Markdown. You can also use Markdown scratch files to draft up blog posts, store your meeting notes, or a to-do list. (more…)