import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

public class HackerRankTest2 {

    static void oddNumbers(int l, int r) {
        List<Integer> oddNumbers = new ArrayList<>();
        for(int i=l; i<r+1; i++) {
            if (i%2 != 0) {
                oddNumbers.add(i);
            }
        }
        System.out.println("Odd numbers, java 7: " + oddNumbers);
    }

    public static void main (String[] args) {

        int l=3;
        int r=9;

        oddNumbers(l, r);
    }

}