OddAndEvenPosition( For-Loop - Exercise )

import java.text.DecimalFormat;
import java.util.Scanner;

public class     OddAndEvenPosition {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        DecimalFormat df = new DecimalFormat("#.###");

        int n = Integer.parseInt(scanner.nextLine());

        double evenSum = 0.0;
        double maxEven = -1000000000.0;
        double minEven = 1000000000.0;

        double oddSum = 0.0;
        double maxOdd = -1000000000.0;
        double minOdd = 1000000000.0;

        for (int i = 1; i <= n; i++) {
            double num = Double.parseDouble(scanner.nextLine());
            if (i % 2 == 0) {
                evenSum = evenSum + num;
                if (num < minEven) {
                    minEven = num;
                }
                if (num > maxEven) {
                    maxEven = num;
                }
            } else {
                oddSum = oddSum + num;
                if (num < minOdd) {
                    minOdd = num;
                }
                if (num > maxOdd) {
                    maxOdd = num;
                }
            }

        }
        System.out.printf("OddSum=%s%n", df.format(oddSum));
        if (minOdd == 1000000000.0) {
            System.out.println("OddMin=No");
        } else {
            System.out.printf("OddMin=%s%n", df.format(minOdd));
        }
        if (maxOdd == -1000000000.0) {
            System.out.println("OddMax=No");
        } else {
            System.out.printf("OddMax=%s%n", df.format(maxOdd));
        }
        System.out.printf("EvenSum=%s%n", df.format(evenSum));
        if (minEven == 1000000000.0) {
            System.out.println("EvenMin=No");
        } else {
            System.out.printf("EvenMin=%s%n", df.format(minEven));
        }
        if (maxEven == -1000000000.0) {
            System.out.println("EvenMax=No");
        } else {
            System.out.printf("EvenMax=%s%n", df.format(maxEven));
        }
    }
}