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Try įor(String word : wordCount.keySet()) (word + " " + wordCount.90/month for the following 12 months after the free period ends Personal subscription. This is a simple word counter from the University of Texas: import java.io.File
Now that your project is set up, it’s time to add some sample code to help you understand code reformatting in IntelliJ. Open up IntelliJ-you should see a screen like this:Ĭlick Next and finish the project initialization setup. This is a common practice among some developers, but deep nesting your code hinders readability and gives room for errors that might not be easily spotted at a glance.īefore we explore the different ways of formatting code in IntelliJ, start by creating a sample Java project in your IDE.
Some of the necessary reformatting techniques involve:ĭebugging is a necessary evil that the average developer will run into frequently throughout their career. Just as with plain text, nobody loves to read shapeless content, without headings, paragraphs, or any sort of indentation. But humans are concerned about the latter because they are the ones reading it. The only thing that matters to a compiler is that the code is valid and error-free, not how good or nicely indented it is.
Reformatting, on the other hand, makes markup considerably easier to read for humans. Any code, with or without formatting, is entirely capable of being read and executed by a compiler. It’s important to remember that formatting and commenting code aren’t required for a function to work.
You’ll learn how to reformat code with IntelliJ, as well as how to exclude part of the codebase from reformatting, using different shortcuts. This article will introduce you to a simple method for automatically reformatting your code with IntelliJ IDEA. This makes collaboration on your projects easier and also increases the pace of debugging and other codebase maintenance it’s easier to troubleshoot code with good readability and structure.ĭespite the numerous benefits of properly formatted code, you might still get by as a developer without being disciplined about this, especially given that it can be time consuming. Keeping your code well-formatted and indented can help you write code that’s easier to read.
Though usually overlooked, little changes like reformatting and proper indentation of your code can obviously differentiate a professional developer’s code base from someone just learning.
That’s why, as Harold Abelson put it, “ Programs must be written for people to read.” If a codebase is not clearly formatted, debugging becomes more difficult than it should be. As a developer, you’re going to be making changes to a codebase.