To view all the samples that are available for the Google API Client Library for Java, browse through the samples on GitHub. Each sample has an instructions.html file that explains how to set up and use the sample. (To more easily view the instructions in a browser, visit http://htmlpreview.github.io/ and paste the URL of the HTML file into the text box.)
We welcome contributions for samples for other APIs, as described in our guide to becoming a contributor.
If you would like to request a sample for other APIs that are not listed here, post your request on StackOverflow with an API-specific tag, or see File feature requests and defects for more information.