Program to calculate how many times a word occurs in a given string

//Program to calculate how many times a word occurs in a given string

import java.io.*;  //for IOException, BufferedReader, InputStreamReader
class CountWord
{
  public static void main(String args[]) throws IOException
  {
     System.out.println("Enter the string: ");
     BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
     String s=br.readLine();  //Gets a string from user
     System.out.println("Enter the word to search for: ");
     String word=br.readLine();  //Gets a string from user

     int count=0,pos=0;
     while(true)
     {
        pos=s.indexOf(word,pos);
        if(pos==-1)
            break;
        else
        {
            count++;
            pos++;
        }
      }

   System.out.println(word+" occurs in given string for: "+count+" times");
  }
}