import java.util.*;

// NOTE: this program doesn't quite work if 
// the user's first and only response is "quit"
// This was meant to be an example of a sentinel 
// loop, while loop, and cumulative algorithm
public class LongestWordCount {
   public static void main(String[] args) {
      Scanner console = new Scanner(System.in);
      
      String stringSum = "";
      System.out.print("next token or \"quit\"? ");
      String word = console.next();
      int longestWordCount = word.length();
      while (!word.equals("quit")) {
         if (word.length() > longestWordCount) {
            longestWordCount = word.length();
         }

         stringSum = stringSum + word;
         System.out.print("next token or \"quit\"? ");
         word = console.next();                
      }
      System.out.println("concatenated strings: " + stringSum); 
      System.out.println("The longest word has " + longestWordCount + " characters.");
   }
}