import java.util.*;

// Class to demonstrate exceptions using the Scanner class.
public class ScannerDemo
{
   // Start of program.
   public static void main(String[] args)
	{
      String message;
	   Scanner scan = new Scanner (System.in);
		System.out.println("Delimiter pattern = " + scan.delimiter() + "\n");
	
	   byte    b;
		double  d;
		float   f;
		int     i;
		long    l;
	   boolean t;
		
	   while (true)
		{
	      System.out.println("Enter the input type (b, d, f, i, l, t, or q):");
	      message = scan.nextLine();
	      System.out.println("You entered: \"" + message + "\"");
			if (message.toLowerCase().equals("q")) System.exit(1);
			System.out.println("Enter matching data");
		   try
		   {
			   if (message.length()==0) throw new NoSuchElementException();
			   switch (message.charAt(0))
		      {
		         case 'b':  
					   b = scan.nextByte();    System.out.println("byte = " + b);    break;
			      case 'd':  
					   d = scan.nextDouble();  System.out.println("double = " + d);  break;
			      case 'f':  
					   f = scan.nextFloat();   System.out.println("float = " + f);   break;
			      case 'i':  
					   i = scan.nextInt();     System.out.println("int = " + i);     break;
			      case 'l':  
					   l = scan.nextLong();    System.out.println("long = " + l);    break;
               case 't':  
					   t = scan.nextBoolean(); System.out.println("boolean = " + t); break;
					default:   
					   throw new InputMismatchException();
		      }
 			   scan.nextLine();  // Move past the newline character.
		   }
		   catch (InputMismatchException mme)
		   {
            System.out.println("Wrong Type");
			   scan.nextLine();  // Move past the newline character.
		   }
			catch (NoSuchElementException nse) 
			{
			   System.out.println("No Such Element");
			}
		}   // End while.
	}      // End main.
}