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Eclipse: Set maximum line length for auto formatting?

Posted by: admin November 2, 2017 Leave a comment

Questions:

I am working with Java. If I hit Ctrl+Shift+F in Eclipse Helios, it will auto format my code. At a certain point, it wraps lines. I would like to increase the maximum line length. How can I do this?

Answers:

In preferences Java -> Code Style -> Formatter, edit the profile. Under the Line Wrapping tab is the primary option for line width (Maximum line width:). In the Comments tab you have a separate option Maximum line width for comments:, which will also need to be changed to affect comment wrapping.

You will need to make your own profile to make these changes in if you using one of the [Built-in] ones. Just click “New…” on the formatter preferences page.

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Take a look of following image:

Java->Code style->Formatter-> Edit

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Comments have their own line length setting at the bottom of the setting page java->code style->formatter-> Edit… ->comments

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for XML line width, update preferences > XML > XML Files > Editor > Line width

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For HTML / PHP / JSP / JSPF: Web -> HTML Files -> Editor -> Line width

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Click Project->preferences. Type format into the search – you should see java->code style->formatter. Click that, then edit – finally, the line wrapping tab – its there 🙂

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For XHTML files: Web -> HTML Files -> Editor -> Line width

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Preferences -> Java -> Code Style -> Formatter / “Edit…”

Tabs: “Line wrapping” , “Comments”

Field: “Maximum line width”

Set both to make comments have the same length too.
You might need to create a new profile if you don’t have one already.

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I use the Eclipse version called Mars which works with Java 7.

Go to Preferences -> Java -> Code Style -> Formatter

Click on the Edit Button shown in the right side of “Active Profile” drop down

Tabs: “Line wrapping”

Field: “Maximum line width”, Set the desired value (Default value set to 120) to increase/decrease the line length in the editor

Note: Remember to rename the Active profile to the name of your choice, as the default Eclipse profile won’t accept your changes.