![]() ![]() ![]() The smart code completion is definitely a crowd-pleaser, as it doesn’t just give you random suggestions. While it may freeze if you have low RAM, that’s a minor issue compared to its capabilities. Its platform and features are designed to help you code your programs faster and more efficiently. To sum, IntelliJ IDEA is a very powerful IDE that caters to a lot of programmers and programming languages. A small downside, however-albeit the IDE supporting numerous languages-is that it has a lot of plugins installed, which can make the software freeze or crash if you have low RAM. However, with the Ultimate version, you can use JavaScript, CSS, TypeScript, SQL, SCSS, Sass, Less, Stylus, ActionScript, and CoffeeScript-all without needing plugins. IntelliJ IDEA supports numerous programming languages, including Java, Markdown, Groovy, XSL, Kotlin, HTML, XML, JSON, YAML, Python, and a whole lot more. This can help you speed up your coding process, making your work more efficient. What’s great about the smart completion feature is that it lets you complete static method calls, collections, lists, and arrays. So, if smart completion is disabled, the shortcut command is Ctrl+Shift+Space to turn it on. By default, the IDE already displays the completion pop-up automatically while you type. It is available under an Apache 2.0 license, which allows users to develop royalty-free and non-commercial products, plugins, and IDEs. Now, while the basic completion can practically give you everything, the smart type-matching completion only gives you suggestions that are relevant to the current context. IntelliJ IDEA is a free Integrated Development Environment (IDE) for Java programming that’s great for developers who want to maximize their productivity. Meanwhile, pressing the command three times will expand the suggestion list of the basic code completion to all classes in the project. Pressing Ctrl+Space twice will show inaccessible members, classes, and static fields and methods. The basic code completion appears when you press Ctrl+Space, then it suggests a list of possible names when applied to a part of a field, variable declaration, or parameter. We can select one with the arrow keys and enter, or we can use the. When we press this shortcut on a symbol or selection we are shown the refactoring options available. The code completion feature has two types of suggestion lists: Basic completion and smart type-matching completion. Most of the automated refactorings in IntelliJ IDEA have their own shortcuts, but we can access all of them with one shortcut: T (MacOS) or Shift+Ctrl+Alt+T (Windows/Linux). It can help you quickly fill a field, access a tool window, set toggles, easily search through a list of numerous elements, and a whole lot more. Aside from that, the IDE also predicts what you need and allows you to automate repetitive development tasks. This basically means that the program can suggest classes, methods, fields, and keywords that are expected in the current code you’re trying to create. ![]() The final build.IntelliJ IDEA has a lot of features, but its most popular key feature is its smart code completion capability. We need to tell Gradle to use the JUnit Platform when running the tests, by adding useJUnitPlatform() to the test section. There’s one last step we need to do for Gradle in order to correctly use JUnit 5. Once the Gradle dependency changes have been loaded, we can see the junit-jupiter dependencies in the External Libraries section of our project window. You must load the Gradle changes if you want IntelliJ IDEA to apply them.Ĭlick on the icon, or use ⇧⌘I, or Ctrl+Shift+O on Windows and Linux, to load the changes. You should see an icon in the top right of the Gradle build file when it has been changed. NOTE: if you try to search for a dependency and you don’t get the results you expect (either no results, or the versions seem out of date), make sure IntelliJ IDEA has an updated Maven Repository via the settings. Use the right arrow to open up the version options for this dependency, and choose version 5.6.2 (the most recent production version at the time of writing). Use Tab to jump into the dependencies list and use the down arrow until :junit-jupiter is selected. Typing "junit" in the artifact search box should give a list of possible dependencies. Given a Gradle build file, use ⌘N (macOS) or Alt+Insert (Windows/Linux) to add a new dependency. This tutorial uses Gradle, for information on how to add JUnit 5 via Maven take a look at our blog and video on Migrating to JUnit 5 from JUnit 4. This provides an easy way for people to skim the content quickly if they prefer reading to watching, and to give the reader/watcher code samples and links to additional information. This blog post covers the same material as the video. All code in this tutorial can be found in this GitHub repository. In this tutorial we’re going to look at features of JUnit 5 that can make it easier for us to write effective and readable automated tests.
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