LargestNumber

package Exam;

import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
import java.text.NumberFormat;
import java.text.DecimalFormat;

public class LargestNumber {

    public static void main(String[] args) {

        Scanner input = new Scanner(System.in);
        int n = input.nextInt();
        BigDecimal[] arr = new BigDecimal[n];
        input.nextLine();
        for (int i = 0; i < n; i++) {

            String num = input.nextLine();
            BigDecimal number = new BigDecimal(num);
            arr[i] = number;

        }

        for (int i = 0; i < arr.length; i++) {

            for (int j = i + 1; j < arr.length; j++) {
                int res = arr[i].compareTo(arr[j]);
                if (res == -1) {
                    BigDecimal a = arr[i];
                    arr[i] = arr[j];
                    arr[j] = a;
                }

            }
        }
        //System.out.println();
        for (int i = 0; i < 3; i++) {
            System.out.println(arr[i]);
        }
    }

}