what to fix?simple rectangle

This is a discussion on what to fix?simple rectangle within the C++ Programming forums, part of the General Programming Boards category; Code: h: #include <cstdlib> #include <iostream> class rectangle{ int x,y; rectangle(){ x=0;y=0; } public void v(){ cout<<"dsdsd"<<endl; } }; cpp: ...

  1. #1
    t6y
    t6y is offline
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    what to fix?simple rectangle

    Code:
    h:
    #include <cstdlib>
    #include <iostream>
    class rectangle{
          int x,y;  
          rectangle(){
                      x=0;y=0;            
          }    
          public void v(){
                 cout<<"dsdsd"<<endl;       
          }
    };
    cpp:
     #include <cstdlib>
    #include <iostream>
    #include "rectangle.h"
    using namespace std;
    int main(int argc, char *argv[])
    {
        rectangle r;
        cout<<r.v()<<endl;
        system("PAUSE");
        return EXIT_SUCCESS;
    }
    error:
    Compiler: Default compiler
    Building Makefile: "C:\Dev-Cpp\Makefile.win"
    Executing  make...
    make.exe -f "C:\Dev-Cpp\Makefile.win" all
    g++.exe -c main.cpp -o main.o -I"C:/Dev-Cpp/lib/gcc/mingw32/3.4.2/include"  -I"C:/Dev-Cpp/include/c++/3.4.2/backward"  -I"C:/Dev-Cpp/include/c++/3.4.2/mingw32"  -I"C:/Dev-Cpp/include/c++/3.4.2"  -I"C:/Dev-Cpp/include"   
    
    In file included from main.cpp:3:
    rectangle.h:9: error: expected `:' before "void"
    
    rectangle.h: In member function `void rectangle::v()':
    rectangle.h:10: error: `cout' undeclared (first use this function)
    rectangle.h:10: error: (Each undeclared identifier is reported only once for each function it appears in.)
    rectangle.h:10: error: `endl' undeclared (first use this function)
    rectangle.h: In function `int main(int, char**)':
    rectangle.h:6: error: `rectangle::rectangle()' is private
    main.cpp:7: error: within this context
    main.cpp:8: error: `cout' undeclared (first use this function)
    main.cpp:8: error: `endl' undeclared (first use this function)
    
    make.exe: *** [main.o] Error 1
    
    Execution terminated

  2. #2
    Registered User whiteflags's Avatar
    Join Date
    Apr 2006
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    United States
    Posts
    7,627
    call r.v() by itself amd everything should be fine. You stuck it in the IO stream, which is wrong because it never returns a value to the stream in the first place but tries to use the stream despite this.

    Or you could rewrite it I guess:
    Code:
    public:
    const char *v() {
        return "dsfdsfsds";
    }
    Also, C++ is not Java. Declare one public: field and put everything under it that's public.
    Last edited by whiteflags; 06-06-2006 at 10:59 AM.

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