- C is a powerful and flexible language. What you can accomplish with C is limited only by your imagination. The language itself places no constraints on you. C is used for projects as diverse as operating systems, word processors, graphics, spreadsheets, and even compilers for other languages.
- C is a popular language preferred by professional programmers. As a result, a wide variety of C compilers and helpful accessories are available.
- C is a portable language. Portable means that a C program written for one computer system (an IBM PC, for example) can be compiled and run on another system (a DEC VAX system, perhaps) with little or no modification. Portability is enhanced by the ANSI standard for C, the set of rules for C compilers.
- C is a language of few words, containing only a handful of terms, called keywords, which serve as the base on which the language’s functionality is built. You might think that a language with more keywords (sometimes called reserved words) would be more powerful. This isn’t true. As you program with C, you will find that it can be programmed to do any task.
- C is modular. C code can (and should) be written in routines called functions. These functions can be reused in other applications or programs. By passing pieces of information to the functions, you can create useful, reusable code.
Not to worry! C++ is a superset of C, which means that C++ contains everything C does, plus new additions for object-oriented programming. If you do go on to learn C++, almost everything you learn about C will still apply to the C++ superset. In learning C, you are not only learning one of today’s most powerful and popular programming languages, but you are also preparing yourself for object-oriented programming.
Another language that has gotten lots of attention is Java. Java, like C++, is based on C. If later you decide to learn Java, you will find that almost everything you learned about C can be applied.
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