Invoice And Billing System In Java With Source Code

 package invoicedemo;

import java.util.Scanner;

class Invoice{

String partNumber;

String partDescription;

int itemPurchased;

double pricePerItem;

Invoice(){

partNumber = "";

partDescription = "";

itemPurchased = 0;

pricePerItem = 0.0;

}

 

String getPartNumber(){

return partNumber;

}

String getPartDescription(){

return partDescription;

}

int getItemPurchased(){

return itemPurchased;

}

double getPricePerItem(){

return pricePerItem;

}

double getInvoiceAmount(){

return (itemPurchased * pricePerItem);

}

void setPartNumber(String pn){

partNumber = pn;

}

void setPartDescription(String pd){

partDescription = pd;

}

void setItemPurchased(int ip){

itemPurchased = ip;

}

void setPricePerItem(double ppi){

pricePerItem = ppi;

}

 

}

class InvoiceDemo {

public static void main(String args[]) {

Scanner sc = new Scanner(System.in);

Invoice invoice = new Invoice();

 

System.out.print("\nEnter part number :");

invoice.setPartNumber(sc.nextLine());

System.out.print("Enter part description :");

invoice.setPartDescription(sc.nextLine());

System.out.print("Enter item purchased :");

invoice.setItemPurchased(sc.nextInt());

System.out.print("Enter price per item :");

invoice.setPricePerItem(sc.nextDouble());

 

System.out.print("\n\nDetail of items purchasing-->");

System.out.print("\nPart number :" + invoice.getPartNumber());

System.out.print("\nPart description :" + invoice.getPartDescription());

System.out.print("\nTotal Billing Amount :" + invoice.getInvoiceAmount());

}

}