9gag personality type calculator

/*
 * Copyright (c) 2012-2015, RaveN Network INC. and/or its affiliates. All rights reserved.
 * RAVEN NETWORK INC. PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
 * Licensed Materials - Property of RaveN Network INC.
 * Restricted Rights - Use, duplication or disclosure restricted.
 */
package net.myproject;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * @author lord_rex (Reginald Ravenhorst)
 * @see <a href="https://scontent-vie.xx.fbcdn.net/hphotos-xap1/t31.0-8/11174626_10153436239596840_2843054075889467255_o.jpg">9GAG Image</a>
 */
public final class PersonalityCalculator
{
    private static final Map<Integer, String> PERSONALITY_TYPES = new HashMap<>();
    static
    {
        PERSONALITY_TYPES.put(1, "Kind");
        PERSONALITY_TYPES.put(2, "Honest");
        PERSONALITY_TYPES.put(3, "Faithful");
        PERSONALITY_TYPES.put(4, "Caring");
        PERSONALITY_TYPES.put(5, "Passionate");
        PERSONALITY_TYPES.put(6, "Romantic");
        PERSONALITY_TYPES.put(7, "Gentle");
        PERSONALITY_TYPES.put(8, "Reliable");
        PERSONALITY_TYPES.put(9, "Asshole");
        PERSONALITY_TYPES.put(10, "Adventurous");
        PERSONALITY_TYPES.put(11, "Sensitive");
        PERSONALITY_TYPES.put(12, "Protective");
    }

    private static List<Integer> convertToDigits(int i)
    {
        final List<Integer> digits = new ArrayList<>();

        while (i > 0)
        {
            digits.add(0, i % 10);
            i = i / 10;
        }

        return digits;
    }

    /**
     * @param args
     */
    public static void main(String[] args)
    {
        // Pick any number between 1 to 9.
        int selectedNumber = 1; // TODO <--- THIS IS YOUR CHOICE, CHANGE IT!

        if ((selectedNumber < 1) || (selectedNumber > 9))
        {
            throw new UnsupportedOperationException("Between 1 to 9!");
        }

        // Multiply it with 3.
        selectedNumber *= 3;

        // Add 3.
        selectedNumber += 3;

        // Now again multiply it with 3.
        selectedNumber *= 3;

        // You will get 2 digits.
        final List<Integer> digits = convertToDigits(selectedNumber);

        // Now add them.
        selectedNumber = digits.get(0) + digits.get(1);

        // Now this number will tell you what you really are...
        System.out.println("Your personality type is: " + PERSONALITY_TYPES.get(selectedNumber) + ".");
    }

}