Conditional.java

package org.drip.zen.juice;

/*
 * 1) Odd/Even
 * 2) Simple Vowel/Consonant Variants
 * 4) Hot/Cold/Comfortable
 * 5) Grades Table
 */

public class Conditional {

    public static boolean IsOdd (int number)
    {
        boolean odd = false;

        if (number % 2 == 0)
            odd = false;
        else
            odd = true;

        return odd;
    }

    public static boolean IsVowel (char alphabet)
    {
        boolean vowel = false;

        if (alphabet == 'a' || alphabet == 'e' || alphabet == 'i' || alphabet == 'o' || alphabet == 'u')
            vowel = true;
        else
            vowel = false;

        return vowel;
    }

    public static boolean IsVowel2 (char alphabet)
    {
        boolean vowel = false;

        if (alphabet == 'a' || alphabet == 'e' || alphabet == 'i' || alphabet == 'o' || alphabet == 'u' || alphabet == 'A' || alphabet == 'E' || alphabet == 'I' || alphabet == 'O' || alphabet == 'U')
            vowel = true;
        else
            vowel = false;

        return vowel;
    }

    public static String HotColdComfortable (double temperature)
    {
        String hotColdComfortable;

        if (temperature < 55)
            hotColdComfortable = "TOO COLD";
        else if (temperature > 85)
            hotColdComfortable = "TOO HOT";
        else
            hotColdComfortable = "JUST RIGHT";

        return hotColdComfortable;
    }

    public static String Grade (double numberGrade)
    {
        String letterGrade;

        if (numberGrade >= 95)
            letterGrade = "A";
        else if (numberGrade >= 85 && numberGrade < 95)
            letterGrade = "B";
        else if (numberGrade >= 75 && numberGrade < 85)
            letterGrade = "C";
        else if (numberGrade >= 65 && numberGrade < 75)
            letterGrade = "D";
        else if (numberGrade >= 55 && numberGrade < 65)
            letterGrade = "E";
        else
            letterGrade = "F";

        return letterGrade;
    }

    public static final void main (String[] args)
    {
        int firstNumber = 33;

        boolean isFirstNumberOdd = IsOdd (firstNumber);

        System.out.println ("\t" + firstNumber + " is Odd? " + isFirstNumberOdd);

        char firstAlphabet = 'o';

        boolean isFirstAlphabetVowel = IsVowel (firstAlphabet);

        System.out.println ("\t" + firstAlphabet + " is Vowel? " + isFirstAlphabetVowel);

        char secondAlphabet = 'O';

        boolean isSecondAlphabetVowel = IsVowel (secondAlphabet);

        System.out.println ("\tFirst Try: " + secondAlphabet + " is Vowel? " + isSecondAlphabetVowel);

        boolean isSecondAlphabetVowel2 = IsVowel2 (secondAlphabet);

        System.out.println ("\tSecond Try: " + secondAlphabet + " is Vowel? " + isSecondAlphabetVowel2);

        double temperature = 75;

        String temperatureFeeling = HotColdComfortable (temperature);

        System.out.println ("\t" + temperature + " is " + temperatureFeeling);

        double score = 93;

        String scoreGrade = Grade (score);

        System.out.println ("\tGrade for " + score + " is " + scoreGrade);
    }
}