Count words in a string method?

Example:

package RoseIndia;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class StringCount {
    public static void main(String [] args){
  BufferedReader br = 
          new BufferedReader(new InputStreamReader(System.in));
     System.out.print("Enter string: ");
  try{
     String st=br.readLine();

     int count=0;

     String arr[]=st.split(" ");

     System.out.println("Number of words : "+arr.length);
      }catch(IOException e){
    e.printStackTrace();
     }
    }
}

Output:

Enter string: hi how are you
Number of words : 4

Description: This example counts the number of words into inputted String. Here st is user-inputted string. BufferedReader is used for user input. split()method is used for splitting the given string according to given pattern. In above example we are splitting st by pattern â?? â?? ie by space. arr[] is String type array in which we are storing string after splitting. Now count the length of arr which return the number of words in the inputted string.