...environment. For native development on HP-UX, HP supports a variety of languages including C, C++ and HP Micro Focus ObjectCOBOL. HP also ships and supports a lot of mainstream open source products, including Perl and PHP, the Apache web server...
http://www.computerweekly.com/Articles/2008/01/08/228816/hot-skills-hp-ux.htm
...more languages: UML, Ada, Java, SQL, PHP, XML and HTML, for example. Want to code everything in one language, ObjectCOBOL maybe? Come on, grow up. Many languages are good for the competition, and they address different needs...
http://www.sys-con.com/node/595751