Çàäà÷à . E

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Scanner;
class SalesPerson // each object contains details of one salesperson
{
    private String id;
    private Sales[] salesHistory; // details of the different sales
    private int count = 0; // number of sales made

    //constructor for a new salesperson
    public SalesPerson (String id)
    {    

}
// constructor for a salesperson transferred (together with
// their sales details) from another branch
    public SalesPerson(String id, Sales[] s, int c)
     {
// code missing
     }
     public int getCount(){return count;}
     public String getId() {return id;}
     public void setSalesHistory(Sales s)
      {
       salesHistory[count] = s;
       count = count +1;
      }
    public double calcTotalSales() // calculates total sales for the salesperson
    {
// code missing    

}
}
 class Sales // each object contains details of one sale
    {
        private String itemId; // id of the item
        private double value; // the price of one item
        private int quantity; // the number of the items sold
        // constructor missing
        public Sales(String itemid, double value, int quantity)
        {
            this.itemId = itemid;
            this.value = value;
            this.quantity = quantity;
        }
        public double getValue() {return value;}
        public int getQuantity() {return quantity;}
    }