Call an API using Java Programming Language  Sometimes if you need more that one client to use your database, it helps to know how those clients will connect to one central data farm to retrieve data. In this case, working with JSON Data in Java is not easy, follow this documentation to import jar files into your Java project or if you are using modern Java project that uses Maven to import libraries then do a little bit of research. This documentation is about Java jar files (Library). Link Here.