/**
   Page 116.  Programming Project 5.
   Read a 4 digit integer as a String.  Display one digit per line.
 */

// The import is needed because Scanner is not in java.lang.
import java.util.Scanner;


public class ExtractDigitsStringDemo {

  public static void main( String[] args ) {

     Scanner inp = new Scanner( System.in );

     System.out.print("Enter a 4 digit integer: ");
     String number = inp.next();

     char digit1 = number.charAt(3);	// Right most digit
     char digit2 = number.charAt(2);
     char digit3 = number.charAt(1);
     char digit4 = number.charAt(0);

     System.out.println( digit4 );
     System.out.println( digit3 );
     System.out.println( digit2 );
     System.out.println( digit1 );
  }
}