JRAW (the Java Reddit API Wrapper) is a Java Wrapper authored by Matthew Dean, or also referred to as thatJavaNerd. Documentation can be found on Github. While this wrapper is in experimental stage, some of its highlighted features are: Full multireddit and captcha support, Get random posts, trending subreddits, and subreddits, Mini HTTP framework that wraps OkHttp, and Basic site actions (such as login, vote, submit, and comment).
The New York Times has just announced its new Congress API, which provides capability for developers to access to four sets of data about US Congressional representatives and their votes: "a list of members for a given Congress and chamber, details of a specific roll-call vote, biographical and role information about a specific member of Congress, and a member’s most recent positions on roll-call votes" (see Congress API profile for details).
A couple of recent posts give great insight into how the New York Times uses APIs to enhance its news coverage. It uses its own APIs, both internal and open, to create responsive applications that can explain sports, politics and more.