Using object oriented programming approach, write a program to calculate the pur

Question

Using object oriented programming approach, write a program to calculate the purchase price for a retail store.

Define a class Product (Product.java)

Four private data members: product number, product name, unit price, units sold

Two overloaded constructors

Get and set methods for each private data member

A method to calculate and return the purchase price (unit price * units sold)

toString() method

(Store.java) Write a client program that creates a Product object based on the user input, computes the purchase price, and outputs the sales information (include the item id, item name, unit price, units sold, and purchase price).

Explanation / Answer

class Product{
   int number;
   string name;
   double price;
   int unitsSold;
   public Product(){
       number = 0;
       name = "";
       price = 0;
       unitsSold = 0;
   }
   public Product(int pno,string name,double price,int unitsSold){
       number = pno;
       this.name = name;
       this.price = price;
       this.unitsSold = unitsSold;
   }
   int getPNo(){
       return number;
   }
   string getName(){
       return name;
   }
   double getPrice(){
       return price;
   }
   int getUnitsSold(){
       return unitsSold;
   }
   void setPNo(int no){
       number = no;
   }
   void setName(string name){
       this.name = name;
   }
   void setPrice(double price){
       this.price = price;
   }
   void setUnitsSold(int unitsSold){
       this.unitsSold = unitsSold;
   }
   double purchasePrice(){
       return price*unitsSold;
   }
}

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