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june 26 cpa 2.30 pm

 code:

 

import java.util.Arrays;
import java.util.Scanner;

public class cpa26june230pm {
    public static void main(String[] args) {

        Scanner sc=new Scanner(System.in);
        Painting[] paintings=new Painting[4];
        for (int i = 0; i <paintings.length ; i++) {
            int a=sc.nextInt();
            sc.nextLine();
            String b=sc.nextLine();
            String c=sc.nextLine();
            int d=sc.nextInt();
            sc.nextLine();
            String e=sc.nextLine();
            paintings[i]=new Painting(a,b,c,d,e);
        }

        String inputType=sc.nextLine();
        String inputName=sc.nextLine();

        double ans1=findAvgpriceForGivenType(paintings,inputType);
          if(ans1==0.0)
          {
              System.out.println("No such painting for the given type");
          }
          else
          {
              System.out.println(ans1);
          }

      Painting[]  ans2   =findByGivenName(paintings,inputName);

          if(ans2==null)
          {
              System.out.println("No such painting made by the given painter");
          }
          else
          {
              for (int i = 0; i <ans2.length ; i++) {
                  System.out.println(ans2[i].paintingId);
              }
          }


    }
    public  static  double findAvgpriceForGivenType(Painting[] paintings,String inputType)
    {
        int count=0;
      double sum=0;
        for (int i = 0; i <paintings.length ; i++) {
            if(paintings[i].type.equalsIgnoreCase(inputType))
            {
                sum=sum+paintings[i].price;
                count=count+1;
            }
        }


        if(count>0)
        {
            return sum/count;
        }

        return 0.0;
    }

    public  static  Painting[] findByGivenName(Painting[] paintings,String  inputName)
    {
        Painting[] help=new Painting[0];

        for (int i = 0; i <paintings.length ; i++) {
            if(paintings[i].painterName.equalsIgnoreCase(inputName))
            {
                help= Arrays.copyOf(help,help.length+1);
                help[help.length-1]=paintings[i];

            }
        }

       // sorting help array  in descending order on basis of paintingId.
        for (int i = 0; i <help.length-1 ; i++) {
            for (int j = 0; j <help.length-i-1 ; j++) {
                if(help[j].paintingId<help[j+1].paintingId)
                {
                    Painting temp=help[j];
                    help[j]=help[j+1];
                    help[j+1]=temp;
                }
            }
        }

        if(help.length>0)
        {
            return help;
        }
        return null;
    }

}


class Painting
{
    int paintingId;
    String paintingName;

    String type;
    int price;
    String painterName;


    //constructor


    public Painting(int paintingId, String paintingName, String type, int price, String painterName) {
        this.paintingId = paintingId;
        this.paintingName = paintingName;
        this.type = type;
        this.price = price;
        this.painterName = painterName;
    }
}

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