The Yahoo Search Web Service SDK is a convience library for Java developers, enabling you to communicate with the Yahoo Search Web Service. The Yahoo Search Web Service is a REST-based service. Queries are made using HTTP GET requests, with parameters passed as query string parameters. The Yahoo Search Web Service responsds with XML containing the matches for the requested search along with metadata describing the results.
The starting point for the Yahoo Search Web Service SDK is the SearchClient class. The SearchClient class encapsulates everything you need to communicate with the Yahoo Search Web Service.