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Editorial Team
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Asked: 2026-05-12T09:25:57+00:00

I have a specific project where I need to wrap every code line at

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I have a specific project where I need to wrap every code line at 65 characters. I have set up the eclipse Java code formatter properly for this. But what I really want is a vertical line to be drawn in the editor showing where the max line width while I am typing, not just when I run the formmater. I know this feature is available in some capacity because it is displayed in the code formatter property page.

I don’t see any option in eclipse to turn this on and I didn’t see any plug-ins that do it on Eclipse Plugin Central

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1 Answer

  1. Editorial Team

    Look in Windows / Preferences (at least on Windows – IIRC it moves around for different operating systems) then:

    General -> Editors -> Text Editors -> Show Print Margin

    Tick this and it should show the line.

    As a quick way of finding this, use the search filter in the top and filter on “margin”.

    Notes from the comments – unverified by me, but I have no reason to doubt them:

    It has changed somehow in 2016: For details see [here] (https://bugs.eclipse.org/bugs/show_bug.cgi?id=495490#c2) You have to set it in the formatter: From menu [Window]–>[Preferences], select [Java]–>[Code Style]–>[Formatter], and then edit your formatter profile. In the tab page [Line wrapping], you can find a setting named “Maximum line width”. Change this setting, and the print margin in Java source editor will be changed too.

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