String Handling — Question 17

import java.util.Scanner;

public class KboatWordsLengthTable
{
   public static void main(String args[]) {
       Scanner in = new Scanner(System.in);
       System.out.println("Enter a sentence:");
       String str = in.nextLine();
             
       str += " ";
       int len = str.length();
       
       String word = "";
       int wLen = 0; 
       System.out.println("Word Length");
       for (int i = 0; i < len; i++) {
           char ch = str.charAt(i);
           if (ch != ' ')   {
               word = word + ch;
               wLen++;
           }
           else {
               System.out.println(word + "\t" + wLen);
               word = "";
               wLen = 0;
               
           }
       }
    }
}