I will also highlight how these features can reduce the cognitive complexity for developers. I’ll cover what these features are, why you might need them, and how you can start using them in IntelliJ IDEA. In this blog post, I will limit the coverage of Java 17 to its language features – Sealed Classes and Pattern Matching for switch. If you have been waiting to move on from Java 8 or 11, now is the time to weigh its advantages. Given that Java 17 is also an LTS release, it’s not just the developers but enterprises also noticing it. 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.A new Java release every six months can be exciting, overwhelming, or both. 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. 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.
Smart type-matching completion and programming languages 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. The code completion feature has two types of suggestion lists: Basic completion and smart type-matching completion. 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. IntelliJ IDEA has a lot of features, but its most popular key feature is its smart code completion capability.
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