Question 1

What can a method do with a checked exception?

		Check the exception or ignore it.
		Return the exception to the sender or handle it in a catch block.
		Throw the exception to the method that called this method, or handle the exception in a catch block.
		Handle the exception in the try block or handle the exception in the catch block.

1 points

Question 2

To handle window events, if the class containing the application program does not extend the definition of another class, you can make that class extend the definition of the class ____.

		MouseAdapter
		Adapter
		WindowAdapter
		WindowListener

1 points

Question 3

int number; boolean done = false; do { try { System.out.print("Enter an integer: "); number = console.nextInt(); System.out.println(); done = true; System.out.println("number = " + number); } catch (InputMismatchException imeRef) { str = console.next(); System.out.println("Exception " + imeRef.toString() + " " + str); } } while (!done); What is the most likely type of exception in the code in the accompanying figure?

		IllegalArgumentException
		InputMismatchException
		FileNotFoundException
		NumberFormatException

1 points

Question 4

A message is returned by which method of an Exception object?

		printMessage()
		getMessage()
		printStackTrace()
		traceMessage()

1 points

Question 5

Which class of exceptions is NOT checked?

		FileNotFoundException
		ArithmeticException
		RuntimeException
		All exceptions are checked.

1 points

Question 6

If a negative value is used for an array index, ____.

		a NumberFormatException is thrown
		the program terminates automatically without throwing an exception
		the last index of the array is automatically accessed instead
		an ArrayIndexOutOfBoundsException is thrown