Descripción de las clases y objetos

El editor de diagramas UML
se muestra a continuación

La determinación de clase UML

#ifndef MYFUNCTION_H_INCLUDED
#define MYFUNCTION_H_INCLUDED
#include <string>
using namespace std;

class GradeBook
{
        public://access specifier公共使用
            GradeBook();//constructor  构造涵式（特点:它的名字是和类的名字（class GradeBook）是一样的； 前面没有声明
            GradeBook(string);
            void setCourseName(string);
            string getCourseName();
            void dispiay();
        private://私有的
            string courseName;


};





#endif // MYFUNCTION_H_INCLUDED

La finalización de la clase funcional de preparación

#include <iostream>
#include <string>
#include "myFunction.h"
using namespace std;

GradeBook::GradeBook(string name)
{
        courseName = name ;
}

GradeBook::GradeBook()
{
    courseName = "New Course";
}

void GradeBook::setCourseName(string name)//::(作用域分辨运算符)scope resolution operator
{
        courseName = name;
}
string GradeBook::getCourseName()
{
    return courseName;
}
void GradeBook::dispiay()
{
    cout << "Welcome to the grade book of " << courseName << endl;
}

Los principales contenidos

#include <iostream>
#include <string>
#include "myFunction.h"

using namespace std;

int main()
{
    int a;
    string nameOfCourse;
    GradeBook myGradeBook;//create an object, myGradeBook
    GradeBook secondGradeBook;
    GradeBook thirdGradeBook("Programing Language");

    myGradeBook.dispiay();
    secondGradeBook.dispiay();
    thirdGradeBook.dispiay();

    cout << "Please enter the name of this grade book ";
    getline(cin, nameOfCourse);// >> nameOfCourse;
    myGradeBook.setCourseName(nameOfCourse);

    myGradeBook.dispiay();
    cout << "Using getCourseName:" << myGradeBook.getCourseName() << endl;
    return 0;
}