You don’t even have to hover the mouse over the variable, or switch to the Variables pane of the Debug tool window.Īny time a variable changes its value, the IDE highlights it with a different color so that you can better understand how the state is changed over the code.
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When you debug your code IntelliJ IDEA shows you variable values right in the source code, next to their usages. Need more results? Press the shortcut again and the IDE will go deeper to find what you need. The first call of any IDE action is supposed to provide most expected results. When you're in the Project tool window, you can not only navigate through the existing items, but also create new ones by just pressing Alt+Ins.Īll lists, trees and popups in IntelliJ IDEA provide you with quick search that instantly takes you to a set of items that contain text you’re typing in them.
When you need to go back to the editor, just hit Esc.
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In IntelliJ IDEA you have dedicated keyboard shortcuts for nearly everything, including rapid selection and switching between tool windows and the editor.Īccessing a tool window via its shortcut moves the input focus to it, so you can use all keyboard commands in its context. To generate code, you don't have to walk through complex wizards or fill huge forms. When you press Ctrl+Shift+I it shows you the definition for the symbol at caret. Quick popups are helpful for checking additional information without leaving the context that you’re in.
Most of your time the editor (and the code) is the only thing visible on your screen, and you don't need to leave it to do something that isn't coding-related. IntelliJ IDEA is built on a principle that every minute a developer spends in the flow is a good minute, and things that break developers out of that flow are bad and should be avoided. Clicking it or pressing Alt+Enter opens a list of actions you can take to make things right.Įvery aspect of IntelliJ IDEA is designed with ergonomics in mind. Whenever IntelliJ IDEA detects that you're about to make a mistake, a little lightbulb pops up in the editor. Even if you're only about to extract a variable, constant, or a method, IntelliJ IDEA will let you know that there is a similar code fragment that can be replaced along with the one you're woking on.
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For example, when you Rename a class within a JPA statement, it will update everything, from JPA entity class, to every JPA expression where it is used.įinds duplicate code fragments on the fly. Knowing everything about usages of a symbol, IntelliJ IDEA offers extremely effective, thorough refactorings. For example, you can inject fragments of SQL, XPath, HTML, CSS, or jаvascript code into Java String literals.
When offering completion variants, IntelliJ IDEA analyses data flow to guess the possible runtime symbol type and refines choices based on that intel, automatically adding class casts.īrings coding assistance for a selected language to expressions and string literals in another one, complete with all advantages you would normally have. Offers a list of symbols matching your input and automatically adds required import statements. Lets you easily use static methods or constants. Press Ctrl+Shift+Space twice to get module.getProject() without any additional effort. Say you're looking for a value of Project and only have the Module module declaration. This and other completions are constantly learning from you, moving the members of the most frequently used classes and packages to the top of the suggestions list, so you can select them faster.ĭigs a tad deeper than Smart Completion and lists applicable symbols accessible via methods or getters in the current context. Using this information it provides indepth coding assistance, quick navigation, clever error analysis, and, of course, refactorings.Ĭtrl+Shift+Space gives you a list of the most relevant symbols applicable in the current context. IntelliJ IDEA analyzes your code, looking for connections between symbols across all project files and languages.
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