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Asked: 2026-05-27T15:11:46+00:00

I have many Java files from a project which have not been formatted properly.

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I have many Java files from a project which have not been formatted properly. Also due to enforcement of a common style many people have introduced their own coding style. I want to bring all this code to one consistent format. Are there any auto-formatters available which I can run as script on all the files. I would like to rethink and fine tune following options:

  1. Number of spaces used for indentation.

  2. Spaces around operators like + – * / etc.

  3. Separation between parentheses.

  4. etc.

I was looking at Netbeans auto format and looked cool. Moreover the parameters can be set from the option dialog. However I am not able to completely grasp how to use the API

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  1. Editorial Team

    You can use the Eclipse JavaCodeFormatter from the command line:

    The following example runs the formatting of code specified by the
    configuration file D:/formatter.prefs on the files Java belonging
    (directly or indirectly) to the directory D:/tmp/src :

    eclipse -application org.eclipse.jdt.core.JavaCodeFormatter -config D:/formatter.prefs D:/tmp/src

    See http://wiyoo.blogspot.com/2007/05/batch-formatting-java-source-code-with.html for details.

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