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For this purpose, the IDE features the Quick Definition popup.
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A very nifty feature of IntelliJ IDEA’s completion is the ability to find candidates for completing the incomplete symbols. By hitting Alt+Enter, you can perform a static import for the selected method. To view definition of a symbol, select it in the editor and press Ctrl+Shift+I (or click View | Quick Definition).Īlternatively, with the Ctrl key pressed, hover the cursor over any symbol. If you start typing the method name and invoke the basic completion twice, you get a list of the possible static methods that match the name. IntelliJ IDEA displays the symbol as a link and shows its definition in a tooltip. Click this link to jump to the definition of the symbol. You can open a definition in the Find tool window.
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To do so, click the icon in the top-right corner of the popup and click Open in Find Tool Window.
INTELLIJ KEY TO GET INFO ABOUT METHOD CODE
To open the source code of the definition for editing and close the popup, click the icon and then click Edit Source ( F4).įor markup languages, IntelliJ IDEA retrieves definitions of symbols from the specified DTD or schema. The Quick Type Definition feature allows you to view the type definition of variables, fields, methods, or any other symbols in a popup without switching from the code you're editing. Place the caret at the symbol for which you want to view the type definition and select View | Quick Type Definition. Select code that you want to extract, press Alt+Enter and select Extract Method. This refactoring is also available as an intention action in the editor. IntelliJ IDEA doesn't have a default keyboard shortcut for this action, but you can manually configure it in the settings. The Extract Method refactoring lets you take a code fragment that can be grouped, move it into a separated method, and replace the old code with a call to the method.
INTELLIJ KEY TO GET INFO ABOUT METHOD HOW TO
INTELLIJ GENERATE JAVADOC HOW TOįor more information on how to configure custom shortcuts, refer to Configure keyboard shortcuts. The Parameter Info popup shows the names of parameters in method and function calls. IntelliJ IDEA automatically shows a popup with all available method signatures within 1 second (1000 milliseconds) after you type an opening bracket in the editor, or select a method from the suggestions list. You can explicitly invoke the popup if it has closed or if your IDE is configured not to show the popup automatically. If we put the cursor inside the method call parentheses, then View Parameter Info (Ctrl + P / Cmd + P) reveals information on method parameters. To do so, press Ctrl+P (or click View | Parameter Info). If we need to see all uses of a class or method in our project, we invoke Edit Find Usages Find Usages ( Alt + F7 ).
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