Breaking the String into Words

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

public class BreakStringToWord{
  String str;
  int count = 0;
  public static void main(String[] args) {
    BreakStringToWord c = new BreakStringToWord();
  }
  public BreakStringToWord(){
    try{
      InputStreamReader ir = new InputStreamReader(System.in);
      BufferedReader br = new BufferedReader(ir);
      System.out.print("Enter String: ");
      str = br.readLine();
      System.out.println("Enter String is : "+ str);
      System.out.println("Breaking this string is : ");
      StringTokenizer token = new StringTokenizer(str);
      while (token.hasMoreTokens()){
        count++;
        str = token.nextToken();
        System.out.println(str);
      }
      System.out.println("Number of Words : "+ count);
    }
    catch(IOException e){}
  }
}