Challenge activity 7.5.1: Basic constructor definition. Define a constructor as
ID: 666203 • Letter: C
Question
Challenge activity 7.5.1: Basic constructor definition.
Define a constructor as indicated. Sample output for below program:
#include <iostream>
using namespace std;
class CarRecord {
public:
void SetYearMade(int originalYear);
void SetVehicleIdNum(int vehIdNum);
void Print() const;
CarRecord();
private:
int yearMade;
int vehicleIdNum;
};
// FIXME: Write constructor, initialize year to 0, vehicle ID num to -1.
/* Your solution goes here */
void CarRecord::SetYearMade(int originalYear) {
yearMade = originalYear;
return;
}
void CarRecord::SetVehicleIdNum(int vehIdNum) {
vehicleIdNum = vehIdNum;
return;
}
void CarRecord::Print() const {
cout << "Year: " << yearMade << ", VIN: " << vehicleIdNum << endl;
return;
}
int main() {
CarRecord familyCar;
familyCar.Print();
familyCar.SetYearMade(2009);
familyCar.SetVehicleIdNum(444555666);
familyCar.Print();
return 0;
}
Explanation / Answer
The basic constructor definition according to the required details is as follows:
CarRecord::CarRecord(void)
{
vehicleIdNum=-1; //assigning -1 to the variable vehicleIdNum
yearMade=0; //assigning 0 to the variable yearMade
}
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