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 catchblock.

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

1 points

Question 7

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); How many times will the code in the try block in the accompanying figure execute?

		Until the user specifies that he/she wants to quit the program
		Until the user inputs a valid integer
		If there is an exception thrown, it will execute just once because the program will terminate at that point.
		Zero times; the program will terminate before it reaches the try block.

1 points

Question 8

How many constructors does the class Exception have?

		zero
		one
		two
		three

1 points

Question 9

Which of the following methods prints a list of the methods that were called before the exception was thrown?

		getMessage()
		printCalledMethods()
		printStackTrace()
		traceMethodStack()

1 points

Question 10

Which of the following statements is NOT true about creating your own exceptions?

		Typically, constructors are the only methods that you include when you define your own exception class.
		The exception class that you define extends either the class Throwable or one of its subclasses.
		If you have created an exception class, you can define other exception classes by extending the definition of the exception class you created.
		You must throw your own exceptions using the throw statement.