随机生成字母, 推断是元音字母还是辅音字母.

[0,26) + 偏移量’a’就能够生成小写字母.

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代码:

//: Main.java

import java.util.Random;

/**

 *  推断元音辅音

 */

class Main {

    public static void main(String[] args) {

        Random rand = new Random(47);

        for (int i=0; i<10; i++) {

            int c = rand.nextInt(26) + 'a';

            System.out.println((char)c + ", " + c + ": ");

            switch (c) {

                case 'a':

                case 'e':

                case 'i':

                case 'o':

                case 'u':

                    System.out.println("vowel");

                    break;

                case 'y':

                case 'w':

                    System.out.println("Sometimes a vowel");

                    break;

                default:

                    System.out.println("consonant");

            }

        }

    }

}

/**

 * Output:

 y, 121:

 Sometimes a vowel

 n, 110:

 consonant

 z, 122:

 consonant

 b, 98:

 consonant

 r, 114:

 consonant

 n, 110:

 consonant

 y, 121:

 Sometimes a vowel

 g, 103:

 consonant

 c, 99:

 consonant

 f, 102:

 consonant

 *///:~