初识C++类--第二天

#include <iostream>
using std::cout;
using std::cin;
using std::endl;

#include <string>
using std::string;
using std::getline;


class GradeBook
{
public:

        void displayMessage(string courseName)//形参
        {
                cout << "Welcome to the grade book for\n" << courseName << "!" 
                        <<endl;
        }
};


int main()
{
        string nameOfCourse;//创建string类型变量，用语存储输入课程名称
        GradeBook myGradeBook;//类创建对象


        cout << "Please enter the course name:" << endl;//提示输入课程名称
        getline(cin,nameOfCourse);//通过getline库函数执行输入，从用户那里读取名称赋值给nameOfCourse
        cout << endl;



        myGradeBook.displayMessage(nameOfCourse);//实参
        return 0;

}