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Rule #2 for a committer is the same as for a scientist: read before you write. When you're getting started a good time ratio for read to write is around 20 to 1. Once you're a total OFBiz pro who knows as much as any living person about the project, you can probably reduce that to about 3 to 1. This relates to respecting precedent. It doesn't mean that existing things can't or shouldn't be changed, but it does mean that things that already exist must be understood before they are changed. This also relates to recognizing that whatever you are doing chances are there are best practices or patterns already established. So, this means you should look for those and try to understand them and if necessary ask about them explaining what you are trying to do before you seek to establish your own pattern.

To avoid code ownership, anyone can work on anything, but please be sensitive to areas where you are not familiar with the code and check with others who have worked in the area before doing something. A good practice is to ask someone who is more familiar with something to review it before you commit it, and if they have objections respect it and find a compromise that works for everyone.

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