Java program To Count the number of words in a String

1. package com.javatutorial;
2.  
3. public class CountNumberofWords {
4.  
5.  public static void main(String[] args) {
6.  
7. String s="";
8. int count=0;
9.  
10. Scanner in = new Scanner(System.in);
11. System.out.println("Please enter a String");
12.  s=in.nextLine();
13.  
14. char ch[]= new char[s.length()];    
15.  
16. for(int i=0;i<s.length();i++)
17. {
18.  
19.     ch[i]= s.charAt(i);
20.  
21.     if( ((i>0)&&(ch[i]!=' ')&&(ch[i-1]==' ')) || ((ch[0]!=' ')&&(i==0)) )
22.         count++;
23.  
24. }
25. System.out.println("Number of words in given String: "+count);
26.  
27. }
28. 
    
29. }

Output:

1. Please enter a String
2. Java Tutorial
3. Number of words in given String: 2