conto

public class Conto {

    private double amount;
    private String owner;

    // costruttore
    public Conto(String owner, double initialAmount) {
        this.owner = owner;
        this.amount = initialAmount;
    }

    public void versamento(double qty) {
        amount += qty;
    }

    public boolean prelievo(double qty) {
        if(amount < qty)
            return false;
        amount -= qty;
        return true;
    }

    public double getAmount() {
        return amount;
    }

    public String getOwner() {
        return owner;
    }
}