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Using SDKs to Call Amazon EMR APIs
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The AWS SDKs provide functions that wrap the API and take care of many of the connection details, such as calculating signatures, handling request retries, and error handling. The SDKs also contain sample code, tutorials, and other resources to help you get started writing applications that call AWS. Calling the wrapper functions in an SDK can greatly simplify the process of writing an AWS application.
One disadvantage to using the SDKs is that the implementation of the wrapper functions sometimes lags behind changes to the web service's API, meaning that there may be a period between the time that a new web service API is released and when a wrapper function for it becomes available in the SDKs. You can overcome this disadvantage by using the SDKs to generate a raw Query request, as illustrated in Generating a Query Request Using AWS Ruby Gems.
For more information about how to download and use the AWS SDKs, go to Sample Code & Libraries. SDKs are currently available for the following languages/platforms:
