Solution for String Manipulation 2 [Programming Competition Problems] (https://www.youtube.com/watch?v=bC7PYm9s1Vc)

CentauriPrime.java

import java.util.*;

public class CentauriPrime {

  public static void main(String[] args) {
    
    Scanner sc = new Scanner(System.in);

    int t = Integer.valueOf(sc.nextLine());

    for (int i = 1; i <= t; i++) {

      String country = sc.nextLine().toLowerCase();
      char lastLetter = country.charAt(country.length() - 1);

      String ruler;

      switch (lastLetter) {

        case 'y':
          ruler = "nobody";
          break;

        case 'a': case 'e': case 'i': case 'o': case 'u':
          ruler = "a queen";
          break;

        default:
          ruler = "a king";
          break;
          
      }
      
      String str = String.format("Case #%d: %s is ruled by %s.", i, country, ruler);
      System.out.println(str);

    }

  }

}