IntelliJ IDEA 2018.3 Help

Code Completion

File | Settings | Editor | General | Code Completion for Windows and Linux
IntelliJ IDEA | Preferences | Editor | General | Code Completion for macOS
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Use this page to configure code completion and parameter information.

Item

Description

Match case

Select this option if you want letter case to be taken into account when suggesting matches for code completion. Choose whether you want to match case for the first letter of for all letters.

Automatically insert single suggestions

Choose whether you want to automatically complete your code if there's just one code completion suggestion for basic and/or smart completion.

Sort suggestions alphabetically

Choose this option if you want to sort items in the suggestions list in the alphabetical order instead of sorting them by relevance.

You can change this behavior at any time by clicking the sort alphabetically or sort by relevance icons in the suggestion list.

Show suggestions as you type

Select this checkbox if you want the suggestions list to be invoked automatically, without having to call completion explicitly.

Insert selected suggestion by pressing space, dot, or other context-dependent keys

Select if you want to insert the selected suggestion by typing certain keys that depend on the language, your context, etc. For Java, such keys include Space, Tab, [ and ], ( and ), and some more.

Show documentation popup in

Select this checkbox to have IntelliJ IDEA automatically show a pop-up for each item in the suggestions list with the documentation for the class, method, or field currently highlighted in the lookup list.

In the field to the right, specify the delay (in milliseconds), after which the pop-up window should appear.

Show parameter name hints on completion

Select this option if you want hints for parameter values to be displayed.

Show the parameter info popup

Select this checkbox to have IntelliJ IDEA automatically show a pop-up with all available method signatures when an opening bracket is typed in the editor, or a method is selected from the suggestions list.

In the text field to the right, specify the delay (in milliseconds) after when the pop-up window should appear.

If this checkbox is not selected, use Ctrl+P to show parameter info.

Show full method signatures

If this checkbox is selected, the parameter info displays full signatures, including method name and returned type.

Last modified: 1 February 2019

See Also

Procedures:

Reference: