We have a parking office class for an object-oriented parking management system using javaImplement the following methods for our classAdd equals and hashCode methods to any class used in a List.Add a method to the Parking Office to return a collection of customer ids (getCustomerIds)Add a method to the Parking Office to return a collection of permit ids (getPermitIds)Add a method to the Parking Office to return the collection of permit ids for a specific customer (getPermitIds(Customer))The above methods are not included in the parking office class of our class diagram. I have attached class diagrams with definitions of related classes in our system (i.e car, customer, .....) Parkingofficename: Stringaddress: Stringcustomers: Listcars: Listlots: Listcharges: Listregister(String name,String address,string phone): Customerregister(customer c,string license,Cartype t): Cargetcustomer (string name): Customeraddcharge (ParkingCharge): Money | ParkingLot| lot id: String| address: String| capacity: integer| entry (Car): void| tostring(): String| CarType <>СОMPАСТ| SUV| Car| permit: String| permit expiration: LocalDate**license: Stringtype: CarType| owner: customer id| tostring(): String|Customer| customer id: String| name: String| address: String| phone number: String| register(license: String,type: CarTyре): Car| tostring(): String

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7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

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We have a parking office class for an object-oriented parking management system using java

Implement the following methods for our class

Add equals and hashCode methods to any class used in a List.
Add a method to the Parking Office to return a collection of customer ids (getCustomerIds)
Add a method to the Parking Office to return a collection of permit ids (getPermitIds)
Add a method to the Parking Office to return the collection of permit ids for a specific customer (getPermitIds(Customer))

The above methods are not included in the parking office class of our class diagram.

I have attached class diagrams with definitions of related classes in our system (i.e car, customer, .....)