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Outline. History What is C++ How does C++ relate to other OO languages Types of applications for C++ Components of MS’s Visual C++ 6.0 Advantages / Disadvantages of C++. History of C++. 1967: "B" and BCPL developed (typeless) 1972: C language developed at Bell Labs

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Outline

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  1. Outline • History • What is C++ • How does C++ relate to other OO languages • Types of applications for C++ • Components of MS’s Visual C++ 6.0 • Advantages / Disadvantages of C++

  2. History of C++ • 1967: "B" and BCPL developed (typeless) • 1972: C language developed at Bell Labs • Dennis Ritchie wrote C for Unix OS • Needed C for work with Unix • late 70s: C becomes popular for OS development by many vendors • Many variants of the language developed • ANSI standard C in 1987-89

  3. History of C++ (continued) • early 80s: Bjarne Stroustrup adds OO features to C creating C++ • 90s: continued evolution of the language and its applications • preferred language for OS and low level programming • popular language for application development • low level control and high level power

  4. Conceptually what is C++ • Alternatives: • is it C, with lots more options and features? • is it an OO programming language with C as its core? • is it a development environment? • On most systems it is a development environment, language, and library, used for both procedural and object oriented programming, that can be customized and extended as desired

  5. Versions of C++ • ANSI C++ • Microsoft C++ (MS Visual C++ 6.0) • Other vendors: Borland, Symantec, Turbo, … • Many older versions (almost annual) including different version of C too • Many vendor specific versions • Many platform specific versions

  6. What you can do with C++ • Apps (standalone, Web apps, components) • Active desktop (Dynamic HTML, incl Web) • Create new controls • Create apps with "look and feel" of IE4 • ActiveX documents (charts, graphs, etc.) • Data access (e-mail, files, etc) • Integrate components w/ other languages

  7. Microsoft’s C++ • Development Environment • project mgmt, editor, debugging tools, user interface Visual Studio 6.0 • Language ( • compiler, linker, loader, etc. • Visual C++ 6.0 • Libraries • std libraries, iostream, iomanip, stdio, time, string, math, etc.

  8. Disadvantages of C++ • Tends to be one of the less portable languages • Complicated!!! • 40 operators, intricate precedence, pointers, etc. • can control everything • many exceptions and special cases • tremendous libraries both standard, vendor specific, and available for purchase, but all are intricate • Aspects above can result in high cost, maintenance and reliability problems

  9. Advantages of C++ • Available on most machines • Can get good performance • Can get small size • Can manage memory effectively • Can control everything • Good supply of programmers • Suitable for almost any type of program (from systems programs to applications)

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