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.
Programming languages are used to make all the computer programs and computer software. A programming language is like a set of instructions that the computer follows to do something. A programmer writes source code text in the programming language to create programs.Usually the programming language uses real words for some of the commands, so that the language is easier for a human to read. Many programming languages use punctuation just like a normal language. Many programs now are compiled. programmer writes source code text in the programming language to create programs. Usually the programming language uses real words for some of the commands, so that the language is easier for a human to read. Many programming languages use punctuation just like a normal language.