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CS192 CS 192 CS/192 - Programming Essentials Quiz
    CS192 CS 192 CS/192 - Programming Essentials Quiz

CS192 CS 192 CS/192 - Programming Essentials Quiz


A ____ is a segment of code that can handle an exception that might be thrown by the try block that precedes it.
 A) catch method
 B) throw block
 C) catch block
 D) throw statement
Creating multiple methods with the same name, which will act differently and appropriately when used with different types of objects, is known as polymorphism.
 A) True
 B) False
A(n) ____ is one instance of a class.
 A) method
 B) object
 C) instantiation
 D) attribute
The call stack is where the computer stores the list of exceptions.
 A) True
 B) False
The object-oriented techniques to manage errors such as dividing a value by 0 comprise the group of methods known as ____.
 A) exception handling
 B) error handling
 C) exception processing
 D) error processing
The ability to use methods without knowing the details of their contents is a feature of ____.
 A) abstraction
 B) encapsulation
 C) inheritance
 D) construction
An object is a category of things.
 A) True
 B) False
A constructor may require ____.
 A) parameters
 B) methods
 C) objects
 D) inheritance
____ variables and constants are those that are known to an entire class.
 A) Global
 B) Local
 C) Universal
 D) Comprehensive
When appropriate, specialized ____ classes provide an elegant way for you to handle error situations.
 A) Exception
 B) Error
 C) Constructor
 D) Event
When a data field is private, it is said to be ____ to any class other than the one in which it is defined.
 A) uninheritable
 B) implicit
 C) unreachable
 D) inaccessible
Design a class named CustomerRecord that holds a customer number, name, and address. Include methods to set the values for each data field and output the values for each data field. Create the class diagram and write the code (not language specific, ie. psuedocode) that defines the class.

When a main() method needs to use another method, it calls, or invokes it.
 A) True
 B) False
Multiple inheritance is the capability to inherit more than one method from a parent class.
 A) True
 B) False
When a variable is declared within a method, it ceases to exist when the method ends.
 A) True
 B) False
The memory location known as the ____ is where the computer stores the list of method locations to which the system must return.
 A) method stack
 B) location stack
 C) call stack
 D) store location
Simple non-array variables are usually passed to methods by ____.
 A) value
 B) reference
 C) type
 D) class
Programmers refer to hidden implementation details as existing in a ____.
 A) white box
 B) white hole
 C) black box
 D) black hole
A child class contains all the data fields and ____ of its parent.
 A) parameters
 B) classes
 C) methods
 D) procedures
Write a method that will perform the a division operation (divide by) on the numbers passed to it in two variables (numerator, denominator) and outputs the results. Use a try-catch pair to output an error message if the illegal operation of divide by 0 occurs.
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Everything is an object, and every object is a member of a ____.
 A) class
 B) method
 C) case
 D) process
Methods are sometimes called ____.
 A) segments
 B) modules
 C) classes
 D) routines
____ is the process of creating a new, derived class from a base class.
 A) Accessibility
 B) Encapsulation
 C) Inheritance
 D) Polymorphism
When illegal division by 0 takes place, an Exception object is not created automatically by the object-oriented language application.
 A) True
 B) False
Methods can be ____ correctly by providing different parameter lists for methods with the same name.
 A) updated
 B) tested
 C) overloaded
 D) passed
A method’s ____ consists of the method’s statements.
 A) body
 B) space
 C) space
 D) group
A catch block consists of four different elements: the keyword catch, followed by parentheses that contain an exception type and identifier, statements that take action to handle the error condition, an endcatch statement, and a return statement.
 A) True
 B) False
What is one item that must be included in a method’s header if it can receive a parameter?
 A) local parameter name
 B) global parameter name
 C) parameter’s client
 D) return data structure
A method can be used more than once within a program or in other programs.
 A) True
 B) False
An instance method or constructor may be overloaded by providing the same name and ____ argument list.
 A) a different
 B) the same
 C) a larger
 D) a smaller
A ____ reference is an automatically created variable that holds the address of an object and passes it to an instance method whenever the method is called.
 A) key
 B) public
 C) that
 D) this
Unreachable code statements are program statements that only execute if there is an exception.
 A) True
 B) False
A(n) ____ statement indicates the end of the catch block in the pseudocode.
 A) finalcatch
 B) finally
 C) endcatch
 D) stop
Overloaded methods have the same name and parameter lists.
 A) True
 B) False
A ____ is one that sends an exception object out of a method so it can be handled elsewhere.
 A) catch statement
 B) throw method
 C) catch block
 D) throw statement
Libraries are collections of classes that serve related purposes.
 A) True
 B) False
You can write as many constructors for a class as you want, as long as they all have different ____ lists.
 A) object
 B) data field
 C) method
 D) parameter
A class diagram consists of a ____ divided into three sections.
 A) square
 B) rectangle
 C) circle
 D) triangle
A method is a program module that contains a series of statements that carry out a task.
 A) True
 B) False
Global variables are known to the entire class.
 A) True
 B) False
Class diagrams are a type of ____ diagram.
 A) Unified Illustration Language
 B) Unified Modeling Language
 C) Object-Oriented Modeling Language
 D) Unified Pseudocode Language
What is the screen output of the following code segment? Explain the reasoning behind your answer.
Test1 = 70 
Test2 = 80 
Test3 = 84
NumberOfTests = 3 
Average = (Test1 + Test2 + Test3) / NumberOfTests 
IF Average >= 90 THEN
   Output “Great job”
   Output “Your average is: ”, Average
IF Average >= 80 or Average <=89 THEN 
   Output “Nice work”
   Output “Your average is: “, Average
   Output : “Your Average is:”, Average
   Output “, You will do better next time!”


What will be the output of the below program? List what will be outputed to the screen and explain your answer.
class Class_name
           // Declarations
              num index
              num SIZE = 10
              num numbers[SIZE] = 0,0,0,0,0,0,0,0,0,0
            index = 0
            while index < SIZE
                  numbers[index]= index * 10
                  index = index + 1
            output “The Output is: ”
            while index > 0
                  index = index – 1
                  output numbers[index]

A parent class is the same thing as a base class.
 A) True
 B) False

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