ICSE Specimen Paper 2020 - Question 5

/**
 * Question 5 of the ICSE Specimen Paper 2020.
 * Specimen Paper: http://www.cisce.org/pdf/ICSE-Class-X-Specimen-Question-Papers-2020/Computer%20Applications_Specimen_2020.pdf
 */
import java.util.Scanner;
public class Question_5
{
    static void sort(int[] a, String[] names) //Selection sort.
    {
        int i, j, temp;
        String tempname; //Variable created to temporarily store the name of the students in the sorting process.
        int maxvalue;
        for(i=0;i<a.length;i++)
        {
            maxvalue = i;
            for(j=i;j<a.length;j++)
            {
                if(a[j] > a[maxvalue])
                {
                    temp = a[j]; //Temporarily storing the percentage.
                    tempname = names[j]; //Temporarily storing the corresponding name.

                    a[j] = a[maxvalue]; //Switching the percentage.
                    names[j] = names[maxvalue]; //Switching the name.

                    a[maxvalue] = temp; //Placing the temporarily stored percentage back.
                    names[maxvalue] = tempname; //Placing the temporarily stored name back in the same position as the percentage.
                }
            }
        }
    }

    public static void main(String[] args)
    {
        Scanner sc = new Scanner(System.in);
        String[] names = new String[35]; //Array to store names.
        int[] per = new int[35];         //Array to store percentages.
        int i;

        for(i=0;i<names.length;i++) //Accepting user input.
        {
            System.out.println("Please enter the name of the student.");
            names[i] = sc.next();
            System.out.println("Please enter the percentage of the student.");
            per[i] = sc.nextInt();
        }

        for(i=0;i<names.length;i++) //Displaying the names of the students along with their percentages.
        {
            System.out.println(names[i]+"\t"+per[i]);
        }
        System.out.println();

        sort(per, names); //Sorting and displaying the 10 toppers of the class.

        System.out.println("Toppers:");
        for(i=0;i<10;i++)
        {
            System.out.println(names[i]+"\t"+per[i]);
        }

        sc.close();
    }
}