package Ġcom . now ak . demo . models . invoices Ċ Ċ import Ġcom . now ak . demo . models . customers . Customer Ċ import Ġcom . now ak . demo . models . items . Item Ċ import Ġcom . now ak . demo . models . login . User Ċ import Ġjavafx . beans . property . Simple Integer Property Ċ import Ġjavafx . beans . property . Simple Long Property Ċ import Ġjavafx . beans . property . Simple ObjectProperty Ċ import Ġjavafx . beans . property . Simple String Property Ċ import Ġjava . time . LocalDate Ċ import Ġt orn ad of x .*; Ċ Ċ class ĠPersonal Invoice ( invoice No : ĠString , ĊĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠ Ġdate Of Issue : ĠLocalDate , ĊĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠ Ġamount : ĠLong , ĊĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠ Ġpayment Method : ĠPayment Method , ĊĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠ Ġdiscount : Int , ĊĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠ Ġcustomer : ĠCustomer , ĊĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠ Ġcreator : ĠUser ){ ĊĠĠĠ Ġval Ġinvoice No Property Ġ= ĠSimple String Property ( invoice No ) ĊĠĠĠ Ġvar Ġinvoice No Ġby Ġinvoice No Property ĊĊĠĠĠ Ġval Ġdate Of Issue Property Ġ= ĠSimple ObjectProperty < LocalDate >( date Of Issue ) ĊĠĠĠ Ġvar Ġdate Of Issue Ġby Ġdate Of Issue Property ĊĊĠĠĠ Ġval Ġamount Property Ġ= ĠSimple Long Property ( amount ) ĊĠĠĠ Ġvar Ġamount Ġby Ġamount Property ĊĊĠĠĠ Ġval Ġpayment Method Property Ġ= Simple ObjectProperty < PaymentMethod >( payment Method ) ĊĠĠĠ Ġvar Ġpayment Method Ġby Ġpayment Method Property ĊĊĠĠĠ Ġval Ġdiscount Property Ġ= ĠSimple Integer Property ( discount ) ĊĠĠĠ Ġvar Ġdiscount Ġby Ġdiscount Property ĊĊĠĠĠ Ġval Ġcustomer Property Ġ= ĠSimple ObjectProperty < Customer >( customer ) ĊĠĠĠ Ġvar Ġcustomer Ġby Ġcustomer Property ĊĊĠĠĠ Ġval Ġcreator Property Ġ= ĠSimple ObjectProperty < User >( creator ) ĊĠĠĠ Ġvar Ġcreator Ġby Ġcreator Property ĊĊĠĠĠ Ġvar Ġitems Ġ= ĠArrayList < Item >() Ċ Ċ }