// PaymentCard Class

/*
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/**
 *
 * @author miguel
 */
public class PaymentCard {

    private double balance;

    public PaymentCard(double balance) {
        this.balance = balance;
    }

    public String toString() {
        return "The card has a balance of " + this.balance + " euros";
    }

    public void eatAffordably() {
        if (this.balance - 2.60 < 0) {
            this.balance = this.balance;
        } else {
            this.balance = this.balance - 2.60;
        }
    }

    public void eatHeartily() {
        this.balance = this.balance - 4.60 < 0 ? this.balance : this.balance - 4.60;
    }

    public void addMoney(double amount) {
        if (this.balance + amount < this.balance) {
            this.balance = this.balance;
        } else {
            this.balance = this.balance + amount > 150 ? 150 : this.balance + amount;
        }
    }

}


// MainProgram Class !!!


public class MainProgram {

    public static void main(String[] args) {

        PaymentCard paulsCard = new PaymentCard(20);
        PaymentCard mattsCard = new PaymentCard(30);

        paulsCard.eatHeartily();
        mattsCard.eatAffordably();
        System.out.println("Paul: " + paulsCard);
        System.out.println("Matt: " + mattsCard);

        paulsCard.addMoney(20);
        mattsCard.eatHeartily();
        System.out.println("Paul: " + paulsCard);
        System.out.println("Matt: " + mattsCard);

        paulsCard.eatAffordably();
        paulsCard.eatAffordably();
        mattsCard.addMoney(-30);
        System.out.println("Paul: " + paulsCard);
        System.out.println("Matt: " + mattsCard);

    }
}