Java Exam #2 UPDATED ACTUAL Exam Questions and CORRECT Answers

Java Exam #2 UPDATED ACTUAL Exam
Questions and CORRECT Answers
An abstract class is not instantiated, but serves as a superclass for other classes.

True OR False - CORRECT ANSWER - True


A(n) _____ is an object that is generated in memory as the result of an error or an unexpected
event.
a. Exception handler
b. Exception
c. Default exception handler

d. Error message - CORRECT ANSWER - b. Exception


In a try/catch construct, after the catch statement is executed:
a. the program returns to the statement following the statement in which the exception occurred
b. the program terminates
c. the program resumes at the statement that immediately follows the try/catch construct

d. the program resumes at the first statement of the try statement - CORRECT ANSWER -
c. the program resumes at the statement that immediately follows the try/catch construct


How could the following method header be simplified?


public void copyFile(String str) throws IOException, EOFException


a. public void copyFile(String str) throws IO Exception
b. public void copyFile(String str) throws EOFException
c. public void copyFile(String str) throws EOFException, IOException
d. public void copyFile(String str) throws Exception, IOException, EOFException - CORRECT
ANSWER - a. public void copyFile(String str) throws IOException

, When the code in a try block may throw more than one type of exception, you need to write a
catch clause for each type of exception that could potentially be thrown.

True OR False - CORRECT ANSWER - True


The illegalArgumentException class inherits from the RuntimeException class, and is therefore:
a. A checked exception class
b. An unchecked exception class
c. Never used directly

d. None of the above - CORRECT ANSWER - b. An unchecked exception class


When you use a checked exception class, you must:
a. have a throws clause in the method heading
b. override the default error method
c. use each class only once in a method
d. ensure that the error will occur at least once each time the program is executed - CORRECT
ANSWER - a. have a throws clause in the method heading


A class that has at least one abstract method is called an:
a. concrete class
b. encapsulated class
c. abstract class

d. private class - CORRECT ANSWER - c. abstract class


Java allows an instance of an abstract class to be instantiated.

True OR False - CORRECT ANSWER - False.


An abstract class is a class that has some methods without complete definitions.