RTC client side java api to fetch the version Id and comments of all the files within a component
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The question only provides a minimum of information, the terminology does not seem to align well to the concepts used by the RTC API (E.g. comments are related to change sets.). See http://thescmlounge.blogspot.com/2013/08/getting-your-stuff-using-rtc-sdk-to-zip.html for an introduction that might (or might not) be useful. Consider How should I ask a question in the Forum if I want to receive useful answers? and refine your question, should you be interested in an answer.