I have watched Congressman Keating since his election. He is an strong and dedicated to constituents. I am a Realtor who believes in protecting property rights of homeowners. Congressman Keating understands the housing issues such as Flood insurance, protecting the Mortgage Interest Tax Deduction and other such issues.
Judging for the closed-ness of Apple, you probably won't get much credible answer from Apple's own people. OS X and iOS are primarily written in Objective-C with some C++ in between (e.g. IOKit, WebKit, etc) and probably some C as well for the kernel stuff. However looking at Apple's software engineering jobs vacancies [1], these are also relevant programming languages at Apple: Java.
Coding languages arenât like our languages â there are no vocabularies or alphabets. Theyâre more like codes â special commands, abbreviations and ways of arranging text. All software is written in some kind of coding language. And every coding language is unique, designed with a certain operating system, platform, coding style and intended use in mind. This page is here to give you some background info on 12 of the most common coding languages in use today.