cout in the class of c++ program

Course Queries Syllabus Queries 2 years ago

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Posted on 16 Aug 2022, this text provides information on Syllabus Queries related to Course Queries. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.

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manpreet Tuteehub forum best answer Best Answer 2 years ago


I am writing a small program in C++. There is a class. Can you use cout in the class to output data. Such as cout << "Good times"; Don't you need then to overload << operator? I am trying to do that but it does not work only some errors. How to output data via cout having it in the class.
CPP file:

#include "University.hpp"
#include "Course.hpp"
//#include "Lecture.hpp"
#include 
#include 
#include 

using namespace std;

University::University() {
}
University::University(int capacity, string uni) {
    university = uni;
    cap = capacity;
    length = 0;
    myCourse = new Course[cap];    
}

University::University(University& orig) {
    copy(orig);
}

University::~University() {
    delete [] myCourse;
}

University & University:: operator=(University & other){
    if(this != &other){
        delete [] myCourse;
        copy(other);
    }
    return *this;
}

void University:: copy(University & other){
    if(this != &other){
       length = other.length;
       cap = other.cap;
       myCourse = new Course[cap];

       for(int x = 0; x < length; x++){
           myCourse[x] = other.myCourse[x];
       }       
    }    
}
void University:: addCourse(Course syllabus){
    if(length == cap){
        cap *= 2;
        Course * temp = new Course[cap];

        for(int x = 0; x < length; x++){
            temp[x] = myCourse[x];
        }
        myCourse = temp;        
    }
    myCourse[length] = syllabus;
    length++;

                                                
                                                
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manpreet 2 years ago

You're trying to call ostringstream::operator<< with the argument being a Course. You need to define operator<< for Course as well. Sorry I missed this before. You should also remove the friend from the definition of operator<<(ostream&, const University&) though since it's only needed inside the class definition.


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