D2-14.txt

class Loan{
    public double calculateEMI(double principal){
        double simpleInterest = (principal * 8.5 * 5) / 100;
        return (simpleInterest+principal)/5;
    }
}

class HomeLoan extends Loan {
    // method overriden
    public double calculateEMI(double principal){
        int additionalTax = 200;
        double simpleInterest = (principal * 7.5 * 20) / 100;
        double emi = (simpleInterest + principal) / 20;
        return emi+additionalTax;
    }
}

class VehicleLoan extends Loan {
    // method overriden
    public double calculateEMI(double principal){
        int additionalTax = 200;
        double simpleInterest = (principal * 9.5 * 10) / 100;
        double emi = (simpleInterest + principal) / 10;
        return emi+additionalTax;
    }
}

class ExecuteLoan{
    public static void main(String[] args){
        Loan loan = null;
        loan = new HomeLoan();      //Runtime Polymorphism
        double hloan = loan.calculateEMI(2000000);
        loan = new VehicleLoan();   //sup class reference holding sub class Object
        double vloan = loan.calculateEMI(100000);
        System.out.println("Home loan emi per year is..." + hloan);
        System.out.println("Vehicle loan emi per year is..." + vloan);
        
    }
}


Output:

Home loan emi per year is...250200.0
Vehicle loan emi per year is...19700.0