programming-language/Invoice.java at main · praggCode/programming-language · GitHub

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packageAssignment;

publicclassInvoiceextendsMaintainFinance
{
privateBuyerbuyer;
privateDealerdealer;
privateAnimalanimal;
privateSellerseller;

publicInvoice(Buyerbuyer , Dealerdealer , Animalanimal, Sellerseller)
 {
this.buyer = buyer;
this.dealer = dealer;
this.animal = animal;
this.seller = seller;
 }


//getter and setter
publicBuyergetBuyer()
 {
returnbuyer;
 }
publicvoidsetBuyer(Buyerbuyer)
 {
this.buyer = buyer;
 }


publicDealergetDealer()
 {
returndealer;
 }
publicvoidsetDealer(Dealerdealer)
 {
this.dealer = dealer;
 }


publicAnimalgetAnimal()
 {
returnanimal;
 }
publicvoidsetAnimal(Animalanimal)
 {
this.animal = animal;
 }


publicSellergetSeller()
 {
returnseller;
 }
publicvoidsetSeller(Sellerseller)
 {
this.seller = seller;
 }


//method to calculate the total amount to be deposited (includes buyer + dealer + 7% tax)
publicdoubletotalAmount()
 {
doubletotal = dealer.commision() + buyer.dueAmount();
doubletax = total * 0.07;
doubleamountToPay = tax + total;

//sets animal status as sold i.e sold
animal.setAnimalStatus(true);
returnamountToPay;
 }


// it is a commom method that keeps track of the finance of each class
//not added in to string method can only be shown when specifically called
publicvoidmanageFinance()
 {
System.out.printf("%-25s%s%n " , "Total amount to be paid : ", totalAmount());
 }


//to string method
publicStringtoString()
 {
returnString.format("%s%n%s%n%s%n%s%n%s%n%s%n%s%n%s%n%-25s%s%n%s","=========================================="
 ,"----------------- Invoice ----------------" ,"==========================================\n"
 , animal.toString() , dealer.toString() , buyer.toString() , seller.toString(), "==========================================",
"Net Total to be paid :", totalAmount(), "==========================================");
 }


}