Java String Tokens Hackerrank Solution For Explanation Check Video: Sample Input He is a very very good boy, isn't he? Sample Output 10 He is a very very good boy isn t he Code: import java.io.*; import java.util.*; public class Solution { public static void main(String[] args) { Scanner scan = new Scanner(System.in); String s = scan.nextLine(); s = s.trim(); if (s.length()== 0 ){ System.out.println( 0 ); return ; } String[]...