//********************************************************************
//  PigLatinTranslator.java       Author: Lewis/Loftus/Cocking
//
//  Represents a translation system from English to Pig Latin.
//  Demonstrates method decomposition and the use of StringTokenizer.
//********************************************************************
import java.util.Scanner;
public class PigLatinTranslator
{
    //-----------------------------------------------------------------
    //  Translates a sentence of words into Pig Latin.
    //-----------------------------------------------------------------
    public String translate (String sentence)
    {
        String result = "";
        sentence = sentence.toLowerCase();
        Scanner scan = new Scanner (sentence);
        while (scan.hasNext())
        {
            result += translateWord (scan.next());
            result += " ";
        }
        return result;
    }
    //-----------------------------------------------------------------
    //  Translates one word into Pig Latin. If the word begins with a
    //  vowel, the suffix "yay" is appended to the word. Otherwise,
    //  the first letter or two are moved to the end of the word,
    //  and "ay" is appended.
    //-----------------------------------------------------------------
    private String translateWord (String word)
    {
        String result = "";
        if (beginsWithVowel(word))
            result = word + "yay";
        else
        if (beginsWithBlend(word))
            result = word.substring(2) + word.substring(0,2) + "ay";
        else
            result = word.substring(1) + word.charAt(0) + "ay";
        return result;
    }
    //-----------------------------------------------------------------
    // Determines if the specified word begins with a vowel.
    //-----------------------------------------------------------------
    private boolean beginsWithVowel (String word)
    {
        String vowels = "aeiou";
        char letter = word.charAt(0);
        return (vowels.indexOf(letter) != -1);
    }
    //-----------------------------------------------------------------
    //  Determines if the specified word begins with a particular
    //  two-character consonant blend.
    //-----------------------------------------------------------------
    private boolean beginsWithBlend (String word)
    {
        return ( word.startsWith ("bl") || word.startsWith ("sc") ||
            word.startsWith ("br") || word.startsWith ("sh") ||
            word.startsWith ("ch") || word.startsWith ("sk") ||
            word.startsWith ("cl") || word.startsWith ("sl") ||
            word.startsWith ("cr") || word.startsWith ("sn") ||
            word.startsWith ("dr") || word.startsWith ("sm") ||
            word.startsWith ("dw") || word.startsWith ("sp") ||
            word.startsWith ("fl") || word.startsWith ("sq") ||
            word.startsWith ("fr") || word.startsWith ("st") ||
            word.startsWith ("gl") || word.startsWith ("sw") ||
            word.startsWith ("gr") || word.startsWith ("th") ||
            word.startsWith ("kl") || word.startsWith ("tr") ||
            word.startsWith ("ph") || word.startsWith ("tw") ||
            word.startsWith ("pl") || word.startsWith ("wh") ||
            word.startsWith ("pr") || word.startsWith ("wr") );
    }
}


Create PigLatinTranslator.java