public class Policy {
    private static int NEXT_POLICY_NUMBER = 1;

    private     int     policyNumber;
    protected   float   amount;

    public Policy(float amt) {
        amount = amt;
        policyNumber = NEXT_POLICY_NUMBER++;
    }

    public int getPolicyNumber() { return policyNumber; }
    public float getAmount() { return amount; }

    public String toString() {
        return String.format("Policy: %04d amount: $%1.2f", policyNumber, amount);
    }

    public boolean isExpired() {
        return false;
    }
}