/** MonthAbbreviations.java reads a number from 1-12 and displays
 * the three-letter abbreviation of the corresponding month.
 */
 import java.util.Scanner;

 public class MonthAbbreviations {
   public static void main(String[] args) {
     // get the month number
     System.out.println("To see the first three letters of a month,");
     System.out.print(" enter a month number (1-12): ");
     Scanner keyboard = new Scanner(System.in);
     int monthNumber = keyboard.nextInt();

     // compute the month abbreviation
     final String MONTH_TABLE = "JanFebMarAprMayJun" +
     "JulAugSepOctNovDec";
     int start = (monthNumber - 1) * 3;
     int stop = start + 3;
     String monthAbbrev = MONTH_TABLE.substring(start, stop);

     // display the month abbreviation
     System.out.println("\nMonth #" + monthNumber +
     " begins with '" + monthAbbrev + "'.");
     }
}