#include <iostream>
#include <fstream>
using namespace std;
class Dog {
public:
Dog(int weight, long days) :
itsWeight(weight), itsNumberDaysAlive(days) {
}
~Dog() {
}
int getWeight() const {
return itsWeight;
}
void setWeight(int weight) {
itsWeight = weight;
}
long getDaysAlive() const {
return itsNumberDaysAlive;
}
void setDaysAlive(long days) {
itsNumberDaysAlive = days;
}
private:
int itsWeight;
long itsNumberDaysAlive;
};
int main() // returns 1 on error
{
char fileName[80];
cout << "Please enter the file name: ";
cin >> fileName;
ofstream fout(fileName);
if (!fout) {
cout << "Unable to open " << fileName << " for writing.\n";
return (1);
}
Dog dog1(5, 10);
fout.write((char*) &dog1, sizeof dog1);
fout.close();
ifstream fin(fileName);
if (!fin) {
cout << "Unable to open " << fileName << " for reading.\n";
return (1);
}
Dog dog2(2, 2);
cout << "dog2 weight: " << dog2.getWeight() << endl;
cout << "dog2 days: " << dog2.getDaysAlive() << endl;
fin.read((char*) &dog2, sizeof dog2);
cout << "dog2 weight: " << dog2.getWeight() << endl;
cout << "dog2 days: " << dog2.getDaysAlive() << endl;
fin.close();
return 0;
}
#include <fstream>
using namespace std;
class Dog {
public:
Dog(int weight, long days) :
itsWeight(weight), itsNumberDaysAlive(days) {
}
~Dog() {
}
int getWeight() const {
return itsWeight;
}
void setWeight(int weight) {
itsWeight = weight;
}
long getDaysAlive() const {
return itsNumberDaysAlive;
}
void setDaysAlive(long days) {
itsNumberDaysAlive = days;
}
private:
int itsWeight;
long itsNumberDaysAlive;
};
int main() // returns 1 on error
{
char fileName[80];
cout << "Please enter the file name: ";
cin >> fileName;
ofstream fout(fileName);
if (!fout) {
cout << "Unable to open " << fileName << " for writing.\n";
return (1);
}
Dog dog1(5, 10);
fout.write((char*) &dog1, sizeof dog1);
fout.close();
ifstream fin(fileName);
if (!fin) {
cout << "Unable to open " << fileName << " for reading.\n";
return (1);
}
Dog dog2(2, 2);
cout << "dog2 weight: " << dog2.getWeight() << endl;
cout << "dog2 days: " << dog2.getDaysAlive() << endl;
fin.read((char*) &dog2, sizeof dog2);
cout << "dog2 weight: " << dog2.getWeight() << endl;
cout << "dog2 days: " << dog2.getDaysAlive() << endl;
fin.close();
return 0;
}