Question

C++

Create a class named SavingsAccount that contains the following:

1. Three (3) private class variables: a String called ‘name’, a double called “balance” and another double called “interestRate” and 4 function prototypes.
2. A constructor that receives 3 parameters: a string, and 2 doubles; the constructor will use these parameters to initialize the name, the balance, and the interestRate respectively.
3. setBalance: it receives a double parameter called theBalance and assigns it to the balance.
4. getBalance: it returns the balance.
5. calculateInterestAmount: it calculates and returns the interest amount for the current balance (interestAmount = balance x interestRate)

Answer 1

Answer:

Code:

Output:

Here I first take balance is 0 and then assigned 1200 to balance through setBalance..

And print the balance and Interest Amount to Screen

Raw Code:

#include <iostream>
#include <stdio.h>
using namespace std;
class SavingsAccount //CreaThreeting a class
{
private: //Three private class variables
        string name;
        double balance;
        double interestRate;
    public:
        SavingsAccount(string a,double b,double c){ //A constructor with 3 parameters
            name = a;
            balance = b; //assigning values
            interestRate = c;
        }
    public:
        void setBalance(double theBalance) {//Setter to set balance to a private variable
            balance = theBalance;//setting to balance
        }
   int getBalance() {//Getter to return private variable balance
       return balance;
   }
   public:
       double calculateInterestAmount(){//Prototype to return interest amount
           double InterestAmount = balance*interestRate;//Calculating interest amount
           return InterestAmount;//returning Interest Amount
       }
};

int main(){
   SavingsAccount obj("John",0,2);//Instance of the class to obj default balance is 0
   obj.setBalance(1200); //Setting Balance to 1200
   cout <<"The Balance is " << obj.getBalance() << endl ;//Printing Setted balance
   cout << "The interest Amount "<< obj.calculateInterestAmount() << endl ;//printing Interest Amount
   return 0;
}

Thank You ,

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