Brian Goetz looks at API design issues on IBM developerWorks. "Decisions made during API design can have an effect on the API's usability. In designing an API, you need to put yourself in your user's shoes, imagining how the API might be used, and try and make the common use cases convenient for the user. This month, columnist Brian Goetz discusses an API design technique, the self-return idiom, that can make life easier for users of your API in certain circumstances."

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