001package edu.pdx.cs410J.phonebill; 002 003import edu.pdx.cs410J.AbstractPhoneBill; 004 005import java.util.Collection; 006 007public class PhoneBill extends AbstractPhoneBill<PhoneCall> { 008 private final String customer; 009 010 public PhoneBill(String customer) { 011 this.customer = customer; 012 } 013 014 @Override 015 public String getCustomer() { 016 return this.customer; 017 } 018 019 @Override 020 public void addPhoneCall(PhoneCall call) { 021 throw new UnsupportedOperationException("This method is not implemented yet"); 022 } 023 024 @Override 025 public Collection<PhoneCall> getPhoneCalls() { 026 throw new UnsupportedOperationException("This method is not implemented yet"); 027 } 028}