import java.util.*;
import java.io.*;

/**
 *  The wordPair class defined objects containing two Strings.
 *  The first String may be part part of the dictionary, to start with
 *  and in this case the second String, i.e., the replacement String will
 *  be null. Otherwise, the first String may be inserted into the dictionary
 *  on request by the user in which case the replacement String will be non-null.
 *
 * @author Sriram Pemmaraju
 * @date Nov 13th, 2008
 */

public class wordPair{
	
	private String word;		// The actual word, that acts a key to this object
	private String replacementWord;	// Either null or an actual replacement word

	/**
	 * Constructs a wordPair object, given a word; this sets the replacementWord to be 
         * null
         */
	public wordPair(String givenWord)
	{
		word = givenWord;
		replacementWord = null;
	}

	/**
	 * Constructs a wordPair object, given a word and its replacement
         */
	public wordPair(String givenWord, String givenReplacement)
	{
		word = givenWord;
		replacementWord = givenReplacement;
	}

	/**
         * This and the next method are needed, since I made the two String fields private
         * @return word
         */
	String getWord()
	{
		return word;
	}

	/**
         * @return replacementWord
         */
	String getReplacementWord()
	{
		return replacementWord;
	}

}