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read and write objects in cpp

Sleep deprived answered on June 14, 2022 Popularity 1/10 Helpfulness 1/10

answer read and write objects in cpp

read and write objects in cpp

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#include <iostream>
#include <fstream>
using namespace std;

class student
{
public:
    char name[20], id[10], level[10];

    void getdata()
    {
        cout <<" Enter your name: ";
        cin >> name;

        cout <<" Enter your id: ";
        cin >> id;

        cout <<" Enter your level: ";
        cin >> level;
    }
};

int main()
{
    student s1,s2;

    s1.getdata();
    cout<< endl;
    s2.getdata();

    ofstream file_w ("obj.txt");
    file_w.write((char *)&s1, sizeof(s1));
    file_w.write((char *)&s2, sizeof(s2));

    cout<< "successfully written in file\n";
    file_w.close();

    ifstream file_r ("obj.txt");
    file_r.read((char *)&s1, sizeof(s1));

    cout<< "successfully read file\n";

    char text[100];
    while(file_r)

    {
        file_r.getline(text,100);
        cout << text <<endl;
    }
}

Popularity 1/10 Helpfulness 1/10 Language typescript

Source: Grepper

Tags: typescript

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Contributed on Jun 14 2022

Sleep deprived

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