How to find out where the error or warning is in Microsoft Visual C++

This is a discussion on How to find out where the error or warning is in Microsoft Visual C++ within the C++ Programming forums, part of the General Programming Boards category; I'm so sorry for having to ask this question. I'm a beginner to C++, and as I'm following a tutorial, ...

  1. #1
    Registered User anoop29's Avatar
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    How to find out where the error or warning is in Microsoft Visual C++

    I'm so sorry for having to ask this question. I'm a beginner to C++, and as I'm following a tutorial, I tried to compile the cpp document. However doing so, I receive 1 error with 0 warnings.

    Here is what I have written...



    Code:
    /*
    An interactive program that computes
    the area od a rectangle.
    */
    #include <iostream>
    using namespace std;
    int main ()
    {
    int length;    // this declares a variable
    int width;    // this declares another variable 
    cout<<   "Enter the length:   ";
    cin>>   length;   //   input the length 
    cout<<   "Enter  the  width:   ";
    cin>>   width;   //   input   the  width
    cout<<   "the area  is   ";
    cout>>   length  *  width;   //   display   the   area
    return  0;
    }



    The error I get in the build window:





    --------------------Configuration: sample2 - Win32 Debug--------------------
    Compiling...
    sample3.cpp
    C:\Users\user\Documents\sample3.cpp(19) : error C2676: binary '>>' : 'class std::basic_ostream<char,struct std::char_traits<char> >' does not define this operator or a conversion to a type acceptable to the predefined operator
    Error executing cl.exe.
    sample3.obj - 1 error(s), 0 warning(s)




    How do I know, or what do I look at to know where the error is.

    Like I said, I'm a beginner and would appreciate any help.

    Sorry if there has already been a thread on this before. I will try not to waste time and effort making a thread like this for the benefit of this website

    Any help would be appreciated!

  2. #2
    and the hat of wrongness Salem's Avatar
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    > C:\Users\user\Documents\sample3.cpp(19)
    These are line numbers.
    a) turn on line numbers in the source code editor.
    b) there is a keyboard shortcut (and menu option) to take you to the next build error line.

    > cout>> length * width; // display the area
    You might want to compare the direction of >> with all your other cout statements.
    If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
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  3. #3
    Registered User anoop29's Avatar
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    Quote Originally Posted by Salem View Post
    > C:\Users\user\Documents\sample3.cpp(19)
    These are line numbers.
    a) turn on line numbers in the source code editor.
    b) there is a keyboard shortcut (and menu option) to take you to the next build error line.

    > cout>> length * width; // display the area
    You might want to compare the direction of >> with all your other cout statements.

    Salem,

    Thanks ever soo much, I will try to do as you advised.

    Thanks again

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