//  ExceptionalNumbers.java  (c) 2004 Kari Laitinen

//  http://www.naturalprogramming.com

//  2004-10-07  File created.
//  2005-05-30  Last modification.

import java.util.* ;

class  NumberTooSmallException  extends  Exception
{
}

class  NumberTooLargeException  extends  Exception
{
}

class ExceptionalNumbers
{
   static int get_number_from_keyboard()  throws  NumberTooSmallException,
                                                  NumberTooLargeException
   {
      Scanner keyboard = new Scanner( System.in ) ;

      int number_from_keyboard  =  keyboard.nextInt() ;

      if ( number_from_keyboard  <=  99 )
      {
         throw new NumberTooSmallException() ;
      }
      else if ( number_from_keyboard  >=  999 )
      {
         throw new NumberTooLargeException() ;
      }

      return number_from_keyboard ;
   }

   static int get_number()  throws  NumberTooLargeException
   {
      int number_from_above_method  =  1234 ;

      try
      {
         number_from_above_method  =  get_number_from_keyboard() ;
      }
      catch ( NumberTooSmallException  number_too_small_exception )
      {
         System.out.print( "\n NumberTooSmallException caught. " ) ;
      }

      return  number_from_above_method ;
   }

   public static void main( String[] not_in_use )
   {
      System.out.print( " Please, type in a number: " ) ;

      try
      {
         int  number_read_via_several_methods  =  get_number() ;

         System.out.print( "\n The number from keyboard is : "
                        +  number_read_via_several_methods  ) ;
      }
      catch ( NumberTooLargeException number_too_large_exception )
      {
         System.out.print( "\n NumberTooLargeException caught. " ) ;
      }
      catch ( Exception caught_exception )
      {
         System.out.print( "\n Some Exception was caught. Some info:  " ) ;
         caught_exception.printStackTrace() ;
      }
   }
}