//conto di risparmio
public class SavingAccount {
    //creo i campi di esemplare
    private double balance;
    private double interest;

    //costruttori

    public SavingAccount (double initialBalance, double interest) {
        this.balance=initialBalance;
        this.interest=interest;
    }


    //aggiungo metodo getbalance
    public double getBalance (){
        return balance;
    }

    //aggiungo metodo add interest
    public double addInterest (){
        this.balance=this.balance + (this.balance*interest/100);
        return balance;
    }
}