![]() ![]() How the object performs its task is irrelevant, as far as the program itself is concerned. From the program’s perspective, this "thing" is a "black box" - it hides its inner workings the object performs any task that is asked of it (if only the object has been programmed to actually perform the task, of course). So what is an object? Put simply, it is a "thing" which can represents many different. If you want to stay as close to the hardware as it is possible but don't want or have to learn assembler, C is obvious choice.Īs in other object-oriented languages, the central concept in Smalltalk (being more precisely: Smalltalk-80 but not in Smalltalk-72) is that of an object. Therefore it has found lasting use in applications that had formerly been coded in assembly language, including operating systems, as well as various application software for computers ranging from embedded systems to supercomputers. It's compact (there are no many sophisticated or hard to remember statements) - by design, C provides constructs that map efficiently to typical machine instructions. In short, C is a general-purpose, imperative computer programming language, supporting structured programming, lexical variable scope and recursion. ![]() Since the early 70th years, when it was developed and used to re-implement the Unix operating system, it has become one of the most widely used programming languages of all time. I don't want to write much about C - I think that everybody knows that this language exists and knows something about it. ![]()
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