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Java API to check - in the changes from unresolved stage

Accepted answer

Try this: https://www.google.com/search?q=API+check-in+site%3Ajazz.net
Some of such API is explained here: https://rsjazz.wordpress.com/2013/10/15/extracting-an-archive-into-jazz-scm-using-the-plain-java-client-libraries/
One other answer

You will find information here too: http://thescmlounge.blogspot.com/2013/10/committing-content-to-rtc-scm-with-sdk.html