Mega Code Archive
Call constructor from base class
<![CDATA[
#include <iostream>
using namespace std;
class MyType {
protected:
float value;
public:
float subtract(float);
float add(float);
void display();
MyType(float);
MyType();
};
MyType::MyType(float num)
{
value = num;
}
MyType::MyType()
{
value = 1000;
}
float MyType::subtract(float amount)
{
value -= amount;
return value;
}
float MyType::add(float amount)
{
value += amount;
return value;
}
void MyType::display()
{
cout << "Your value is " << value << endl;
}
class DerivedType:public MyType
{
public:
DerivedType(float);
};
DerivedType::DerivedType(float num):MyType(num)
{
}
DerivedType myType(1200);
int main()
{
float amount, balance;
myType.display();
cout << endl;
cout << "Please enter the amount to deposit \n";
cin>> amount;
balance = myType.add(amount);
cout << "New balance is " << balance << endl;
cout << endl;
cout << "Please enter the amount to withdraw \n";
cin >> amount;
balance = myType.subtract(amount);
cout << "New balance is " << balance << endl;
cout << endl;
return 0;
}
Your value is 1200
Please enter the amount to deposit
123
New balance is 1323
Please enter the amount to withdraw
123
New balance is 1200
]]>