Thread: Can i replace this with just this

  1. #1
    Registered User
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    Exclamation Can i replace this with just this

    Hello friends,
    I am new to c++ and was studying the code of a bank record system

    where
    they have used
    Code:
    #include<iostream>#include<fstream>
    #include<cstdlib>
    using std::cout;
    using std::cin;
    using std::endl;
    using std::fstream;
    using std::ofstream;
    using std::ifstream;
    using std::ios;
    can i just use in place of that? or i am missing something?
    Code:
    #include<iostream>#include<fstream>
    #include<cstdlib>
    using namespace std;

  2. #2
    C++ Witch laserlight's Avatar
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    Singapore
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    27,232
    Yes, you can, but you may end up injecting more unqualified names into the scope than you expect, so you shouldn't unless you know what you're doing.
    Quote Originally Posted by Bjarne Stroustrup (2000-10-14)
    I get maybe two dozen requests for help with some sort of programming or design problem every day. Most have more sense than to send me hundreds of lines of code. If they do, I ask them to find the smallest example that exhibits the problem and send me that. Mostly, they then find the error themselves. "Finding the smallest program that demonstrates the error" is a powerful debugging tool.
    Look up a C++ Reference and learn How To Ask Questions The Smart Way

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