Count_Word.java

/* Count number of word in a string
*Note : Always ignore the spaces if more than 1 space given between two word

Sample Input : 1
------------------------
Kalyani Goverment Engineering College

Process
---------------------------
[Kalyani, Goverment, Engineering, College]

Output
---------------------------
Number of word : 4
*************************************
Sample Input : 2
------------------------
Kalyani Goverment  Engineering College

Process
---------------------------
[Kalyani, Goverment, , Engineering, College]

Output
---------------------------
Number of word : 4
*/

import java.util.*;
public class Count_Word
{
    public static void main(String[] args) 
    {
        Scanner sc = new Scanner(System.in);
        String s = sc.nextLine();
        String[] arr = s.split(" ");
        int count=0;
        //System.out.println(Arrays.toString(arr));
        for (int i = 0; i < arr.length; i++) {
            if(arr[i]!="")
            {
                count++;
            }
        }
        System.out.println("Number of word : "+count);
    }
}