Plz convert this C++ code into JAVA code thanks #include<iostream> using namespace std; //function for calculating...

Plz convert this C++ code into JAVA code thanks

#include<iostream>

using namespace std;

//function for calculating the average sightings from the Total Sightings array
float calcAverage(float totalSightings[],int n)
{
   int i;
   float sum=0.0;
   for(i=0;i<n;i++)
   sum=sum+totalSightings[i];
   return sum/n;
}

int main()
{
   // n is no. of bird watchers
   //flag , flag2 and flag3 are for validating using while loops
   int n,i,flag,flag2,flag3;

   //ch also helps in validating
   char ch;
   cout<<"------------------Welcome to the Prince William County Bird Watching weekend tracking system---------------------";
   while(1)
   {
       cout<<"\nPlease enter the number of bird watchers:\n";
       cin>>n;
       if(n==0)
       {
           flag=1;
           break;
       }
       else if(n>0 and n<100)
       {
           flag=2;
           break;
       }
       else
       {
           /*
           here I have added ch as an extra variable cause you don't tell in the question that what happen if user enters value equal to
           greater than 100 , you have only told for between 0 and 100 and for 0 also,thats why i added this
           */
           cout<<"\nInvalid input, want to enter again , if yes press 'y' else 'n' for no : ";
           cin>>ch;
           if(ch=='y')
           continue;
           else
           {
               flag=1;
               break;
           }
       }
   }

   //prints the goodbye message
   if(flag==1)
   {
       cout<<"\nGoodbye !!";
   }

   //if user enters valid n , then :-
   else if(flag==2)
   {

       char BirdWatcherName[n][30]; // this char array is for entering the names of the bird watchers
       float SightingSaturday[n],SightingSunday[n],totalSightings[n]; //these functions are for sightings on saturday,sunday and total sightings respectively.


       for(i=0;i<n;i++)
       {
           cout<<"\n-------------------------Bird Watcher"<<i+1<<" -------------------------";
           cout<<"\nPlease enter the bird watcher’s Name:\n";

           //clearing buffer
           cin.clear(); cin.sync();
           cin.getline(BirdWatcherName[i],30);

           ch='y';

           //this while loop is for validating that the sightings quantity is between 0 and 250 or not .And flag2 helps in checking this.
           while(ch!='n')
           {
               cout<<"\nPlease enter the birds sighted on Saturday:\n";
               cin>>SightingSaturday[i];
               if(SightingSaturday[i]<0 || SightingSaturday[i]>250)
               {
                   cout<<"\nInvalid input , wanna enter again? , press 'y' for yes or 'n' for no :- ";
                   cin>>ch;
                   if(ch=='y')
                   {
                       continue;
                   }
                   else
                   {
                       flag2=2;
                       break;
                   }
               }
               else
               {
                   flag2=1;
                   break;
               }
           }
           if(flag2==2)
           {
               flag3=2;
               break;
           }
           else
           {
               ch='y';
   //this while loop is again for validating that the sightings quantity is between 0 and 250 or not .And flag2 helps in checking this.
               while(ch!='n')
               {
                   cout<<"\nPlease enter the birds sighted on Sunday:\n";
                   cin>>SightingSunday[i];
                   if(SightingSunday[i]<0 || SightingSunday[i]>250)
                   {
                       cout<<"\nInvalid input , wanna enter again? , press 'y' for yes or 'n' for no :- ";
                       cin>>ch;
                       if(ch=='y')
                       {
                           continue;
                       }
                       else
                       {
                           flag3=2;
                           break;
                       }
                   }
                   else
                   {
                       flag3=1;
                       break;
                   }
               }
           }
           if(flag3==2)
           {
               break;
           }
       }

       if(flag3==2)
       {
           cout<<"\nGoodbye";
       }
       else
       {
           cout<<"\n------------------------------------------------PWC Birdwatching Statistics---------------------------------------------\n";
           cout<<"\nBird Watcher SaturdaySighings Sunday Sightings Total Sightings";
           for(i=0;i<n;i++)
           {
               totalSightings[i]=SightingSaturday[i]+SightingSunday[i];
           }

           for(i=0;i<n;i++)
           {
               cout<<endl<<BirdWatcherName[i]<<" "<<SightingSaturday[i]<<" "<<SightingSunday[i]<<" "<<totalSightings[i];
           }

           //calling for the calcAverage() function for calculating the average of total sightings
           cout<<"\nAverage Sightings "<<calcAverage(totalSightings,n)<<endl;

           //this part is for finding maximum total sighting and its index
           int index;
           float maximum;
           maximum=totalSightings[0];
           for(i=0;i<n;i++)
           {
               if(totalSightings[i]>maximum)
               {
                   maximum=totalSightings[i];
                   index=i;
               }
           }

           cout<<"\nThe Bird Watcher with the most sightings of "<<totalSightings[index]<<" is "<<BirdWatcherName[index];

           //program over
           cout<<"\n----------------------------------------------Thanks For Using Our Program---------------------------------";
       }

   }
   return 0;

}

Solutions

Expert Solution

please check out the converted code and the screen sort of the output given below... please let me know for any doubt.... thank you...

code...

import java.util.*;
public class BirdWatching
{
        public static double calcAverage(double totalSightings[],int n)
        {
                int i;
                double sum=0.0;
                for(i=0;i<n;i++)
                        sum=sum+totalSightings[i];
                return sum/n;
        }
        public static void main(String args[])
        {
                Scanner inp = new Scanner(System.in);  //creating object of scanner class
                // n is no. of bird watchers
                //flag , flag2 and flag3 are for validating using while loops
                int n,i,flag,flag2=2,flag3=2;
                //ch also helps in validating
                char ch;
                System.out.println("------------------Welcome to the Prince William County Bird Watching weekend tracking system---------------------");
                while(true)
                {
                        System.out.print("Please enter the number of bird watchers: ");
                        n=inp.nextInt();
                        if(n==0)
                        {
                                flag=1;
                                break;
                        }
                        else if(n>0 && n<100)
                        {
                                flag=2;
                                break;
                        }
                        else
                        {
                                System.out.print("invalid input, want to enter again , if yes press 'y' else 'n' for no : ");
                                ch=inp.next().charAt(0);
                                if(ch=='y')
                                        continue;
                                else
                                {
                                        flag=1;
                                        break;
                                }
                        }//end of else line 36
                }//end of while line 22
                if(flag==1)
                        System.out.println("Goodbye");
                else if(flag==2)
                {
                        String[] BirdWatcherName = new String[n];
                        double []SightingSaturday = new double[n];
                        double []SightingSunday = new double[n];
                        double []totalSightings = new double[n];
                        for(i=0;i<n;i++)
                        {
                                System.out.println("-------------------------Bird Watcher "+(i+1)+"-------------------------");
                                System.out.print("Please enter the bird watcher’s Name: ");
                                BirdWatcherName[i]=inp.nextLine();   //this statement required 2 times for clearing the buffer
                                BirdWatcherName[i]=inp.nextLine();
                                ch='y';
                                //this while loop is for validating that the sightings quantity is between 0 and 250 or not .And flag2 helps in checking this.
                                while(ch!='n')
                                {
                                        System.out.print("Please enter the birds sighted on Saturday: ");
                                        SightingSaturday[i]=inp.nextDouble();
                                        if(SightingSaturday[i]<0 || SightingSaturday[i]>250)
                                        {
                                                System.out.print("nvalid input , wanna enter again? , press 'y' for yes or 'n' for no :- ");
                                                ch=inp.next().charAt(0);
                                                if(ch=='y')
                                                        continue;
                                                else
                                                {
                                                        flag2=2;
                                                        break;
                                                }
                                        }//end of if line 69
                                        else
                                        {
                                                flag2=1;
                                                break;
                                        }
                                }//end of while line 65
                                if(flag2==2)
                                {
                                        flag3=2;
                                        break;
                                }
                                else
                                {
                                        ch='y';
                                        //this while loop is again for validating that the sightings quantity is between 0 and 250 or not .And flag2 helps in checking this.
                                        while(ch!='n')
                                        {
                                                System.out.print("Please enter the birds sighted on Sunday: ");
                                                SightingSunday[i]=inp.nextDouble();
                                                if(SightingSunday[i]<0 || SightingSunday[i]>250)
                                                {
                                                        System.out.print("nvalid input , wanna enter again? , press 'y' for yes or 'n' for no :- ");
                                                        ch=inp.next().charAt(0);
                                                        if(ch=='y')
                                                                continue;
                                                        else
                                                        {
                                                                flag3=2;
                                                                break;
                                                        }
                                                }//end of if line 100
                                                else
                                                {
                                                        flag3=1;
                                                        break;
                                                }
                                        }//end of while line 96
                                }//end of else line 92
                                if(flag3==2)
                                {
                                        flag3=2;
                                        break;
                                }
                        }//end of for loop line 57
                        if(flag3==2)
                                System.out.println("GoodBye");
                        else
                        {
                                System.out.println("------------------------------------------------PWC Birdwatching Statistics---------------------------------------------");
                                System.out.println("Bird Watcher Saturday Sighings Sunday Sightings Total Sightings");
                                for(i=0;i<n;i++)
                                        totalSightings[i]=SightingSaturday[i]+SightingSunday[i];
                                for(i=0;i<n;i++)
                                        System.out.println(BirdWatcherName[i] +"  "+ SightingSaturday[i] + "  " + SightingSunday[i] +"  "+ totalSightings[i]);
                                System.out.println("\nAverage Sightings " + calcAverage(totalSightings,n) );
                                //this part is for finding maximum total sighting and its index
                                int index=0;
                                double maximum;
                                maximum=totalSightings[0];
                                for(i=0;i<n;i++)
                                {
                                        if(totalSightings[i]>maximum)
                                        {
                                                maximum=totalSightings[i];
                                                index=i;
                                        }
                                }//end of for line 140
                                System.out.println("The Bird Watcher with the most sightings of "+ totalSightings[index] +" is "+BirdWatcherName[index]);
                                System.out.println("----------------------------------------------Thanks For Using Our Program---------------------------------");
                        } //end of else line 127
                }//end of else if line 51
        
        }//end of main line 13
}//end of class line 3

output...

venereology answered 1 year ago

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