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  1. import java.util.ArrayList;
  2. import java.util.List;
  3.  
  4. public class ProductDAO {
  5.  
  6.     public List<Product> findAll() {
  7.         // TODO Auto-generated method stub
  8.        
  9.         Product p1 = new Product("apple", 6.01f);
  10.         Product p2 = new Product("lemon", 5.05f);
  11.         Product p3 = new Product("mango", 7.05f);
  12.         Product p4 = new Product("grapes", 10.05f);
  13.        
  14.         Product p5 = new Product("watermelon", 11.01f);
  15.         Product p6 = new Product("kiwi", 5.05f);
  16.         Product p7 = new Product("pineapple", 4.05f);
  17.         Product p8 = new Product("pear", 3f);
  18.        
  19.         List<Product> products = new ArrayList<>();
  20.        
  21.         products.add(p1);
  22.         products.add(p2);
  23.         products.add(p3);
  24.         products.add(p4);
  25.         products.add(p5);
  26.         products.add(p6);
  27.         products.add(p7);
  28.         products.add(p8);
  29.        
  30.        
  31.         return products;
  32.     }
  33.  
  34.     public float getTotal() {
  35.        
  36.         List<Product> products = this.findAll();
  37.         float total = 0;
  38.         for(Product p : products) {
  39.             total = total + p.getPrice();
  40.            
  41.         }
  42.         return total;
  43.     }
  44.  
  45.     public float getAverage() {
  46.        
  47.         float total = this.getTotal();
  48.         int len = this.findAll().size();
  49.         float average = total/len;
  50.         return average;
  51.            
  52.            
  53.         }
  54.                
  55.                
  56.                
  57.        
  58.     }
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