How to have the formatter wrap code with IntelliJ?

IntelliJ IDEA 14, 15, 2016 & 2017

Format existing code

  1. Ensure right margin is not exceeded

    File > Settings > Editor > Code Style > Java > Wrapping and Braces > Ensure right margin is not exceeded

    File Settings
    Ensure right margin

  2. Reformat code

    Code > Reformat code…

    Reformat code

    or press Ctrl + Alt + L

    warning If you have something like this:

    thisLineIsVeryLongAndWillBeChanged();   // comment
    

    it will be converted to

    thisLineIsVeryLongAndWillBeChanged();   
    // comment  
    

    instead of

    // comment  
    thisLineIsVeryLongAndWillBeChanged();   
    

    This is why I select pieces of code before reformatting if the code looks like in the previous example.

Wrap when typing reaches right margin

  • IntelliJ IDEA 14: File > Settings > Editor > Code Style > Wrap when typing reaches right margin

    Wrap when typing

  • IntelliJ IDEA 15, 2016 & 2017: File > Settings > Editor > Code Style > Wrap on typing

    Wrap on typing

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