InterfaceComparableLab/src/main/java/com/zipcoder/payment/PayPal.java

package com.zipcoder.payment;

public class PayPal implements Payment {

    Long id;
    String payerName;
    String email;

    public PayPal(Long id, String payerName, String email) {
        this.id = id;
        this.payerName = payerName;
        this.email = email;
    }

    public PayPal() {
        id = 0L;
        payerName = "";
        email = "";
    }


    public void setId(Long id) {
        this.id = id;
    }

    //on Payment interface
    public Long getId() {
        return id;
    }


    public void setPayerName(String payerName) {
        this.payerName = payerName;
    }

    //on Payment interface
    public String getPayerName() {
        return payerName;
    }


    public void setEmail(String email) {
        this.email = email;
    }


    public String getEmail() {
        return email;
    }

    //on Payment interface
    public String getShortDescription() {
        return  "Paypal " + payerName +" "+email;
    }


    public int compareTo(Payment o) {
        return this.getShortDescription().compareTo(o.getShortDescription());
    }
}