クラッツ問題。うまく描けていない感じある

collatz.java

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class collatz {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int times = sc.nextInt();
        List<Integer> result = new ArrayList<Integer>();
        for (int i = 0; i < times; i++) {
            result.add(countCollatz(sc.nextInt()));
        }
        result.stream()
                .forEach(System.out::println);
    }

    public static int countCollatz(int target) {
        int count = 0;

        while (target != 1) {
            if (target % 2 == 0) {
                target = target / 2;
            } else {
                target = target * 3 + 1;
            }
            count++;
        }
        return count;
    }
}