public class WordFilter{
  String temp;
  String sentence1;
  int	wordLength1;
 	 	
 public WordFilter(String sentence, int wordLength){
 	 	
 	 sentence1 = sentence;
 	 wordLength1 = wordLength;
  		
 	}
 
 public String NextWord(){
 	
 	StringTokenizer st= new StringTokenizer(sentence1);
 		int number = st.countTokens();
		String strArr[] = new String[number];
		for( int i=0; st.hasMoreTokens(); i++){
			if(strArr.length >= wordLength1)
				strArr[i] = st.nextToken();				temp = strArr[i];
		}return temp;
  
 	}
}
 
public class WordFilterTest{
	
public static void main (String[] args) throws Exception {
WordFilter x = new WordFilter("you are really great!",4);
x.NextWord();
System.out.println(x.NextWord());
 

public class WordFilter{
  String temp;
  String[] sentence1;
  int	wordLength1;
  int	index;
public WordFilter(String sentence, int wordLength){
	sentence1 = sentence.split("\\s");
 	wordLength1 = wordLength;
	index = 0;
   }
public String NextWord(){
	boolean continue = true;
	while(index < sentence1.length && continue){
		temp = sentence1[index];
		if(temp.length >= wordLength1)
			continue = false;
		index++;
	}
	if (continue)
		return "";
	else
		return temp;
   }
}

/**
 * <p>Counting words: </p>
 * <p>Company: Someones homework</p>
 * @author P Senthoorkumaran
 * @version 1.0
 */
import java.util.*;
 
public class StringToken {
 
  List tokens = new ArrayList();
  int index;
 
  public StringToken(String sentence, int wordLength) {
    String[] buffer = sentence.split(" ");;
    int count = 0;
    for (int i = 0; i < buffer.length; i++)
      if (buffer[i].length() >= wordLength)
       tokens.add(buffer[i]);
    index = 0;
  }
 
 public boolean isTokenAvailable(){
   return  index < tokens.size();
 }
  public String nextWord() {
    return (String)tokens.get(index++);
  }
 
  public static void main(String args[]){
    StringToken myToken = new StringToken("Don't ever post code without testing them", 5);
    while (myToken.isTokenAvailable())
      System.out.println("Token is " + myToken.nextWord());
  }
}