Object-Oriented Programming Test Preparation - 1124 Verified Questions

Object-Oriented Programming Test Preparation https://quizplus.com/study-set/492 15 Chapters 1124 Verified Questions

Object-Oriented Programming Test Preparation Course Introduction Object-Oriented Programming introduces the fundamental principles of designing and implementing software using objects and classes. The course covers essential concepts such as encapsulation, inheritance, polymorphism, and abstraction, enabling students to build modular, reusable, and maintainable code. Students will learn how to structure programs by breaking down complex problems into manageable components, utilize class hierarchies, and use interfaces and design patterns. Through hands-on projects and assignments, the course emphasizes practical application of object-oriented methodologies in solving real-world programming challenges.

Recommended Textbook C# Programming From Problem Analysis to Program Design 4th Edition by Barbara Doyle

Available Study Resources on Quizplus 15 Chapters 1124 Verified Questions 1124 Flashcards Source URL: https://quizplus.com/study-set/492

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Chapter 1: Introduction to Computing and Programming Available Study Resources on Quizplus for this Chatper 75 Verified Questions 75 Flashcards Source URL: https://quizplus.com/quiz/9090

Sample Questions Q1) The System namespace contains classes that define commonly used types or classes.

A)True B)False Answer: True Q2) Console is a ____ and WriteLine( )is a ____.

A) method, class B) namespace, method C) class, namespace D) class, method Answer: D Q3) A(n)____ version of software has not been fully tested and may still contain bugs or errors.

A) alpha B) maintenance C) bug D) beta Answer: D Q4) C# has a set of rules,called _________,that must be followed.

Answer: syntax Page 3 To view all questions and flashcards with answers, click on the resource link above.

Chapter 2: Data Types and Expressions Available Study Resources on Quizplus for this Chatper 75 Verified Questions 75 Flashcards Source URL: https://quizplus.com/quiz/9091

Sample Questions Q1) The ____________ data type is a whole number,between a certain range of values,and contains no decimal point.

Answer: int Q2) Classes are actually implemented through types in C#.

A)True B)False Answer: False Q3) A(n)____________ represents an area in the computer memory where a value of a particular data type can be stored.When you declare a(n)____________,you allocate memory for that data item in your program.

Answer: variable Q4) The C# category of ____________ operators appear at the top of the precedence table with the order of operations.

Answer: unary Q5) One of the rules for creating a(n)____________ is to use a combination of alphabetic characters,numeric digits and the underscore character.

Answer: identifier To view all questions and flashcards with answers, click on the resource link above.

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Chapter 3: Methods and Behaviors Available Study Resources on Quizplus for this Chatper 75 Verified Questions 75 Flashcards Source URL: https://quizplus.com/quiz/9092

Sample Questions Q1) Both out and ref parameter types cause a method to refer to the same variable that was passed into the method.

A)True B)False Answer: True Q2) Which of the following is NOT a parameter type?

A) out B) in C) ref D) params Answer: B Q3) An advantage of using named parameters is: ____.

A) program runs more efficiently because the named parameters can be accessed B) program runs faster C) you can send in values through using the names of the parameters instead of having to worry about getting the exact order D) default values can be used Answer: C Q4) When naming local variable identifiers and parameters,use ____________.

Answer: camel casing Page 5 To view all questions and flashcards with answers, click on the resource link above.

Chapter 4: Creating Your Own Classes Available Study Resources on Quizplus for this Chatper 75 Verified Questions 75 Flashcards Source URL: https://quizplus.com/quiz/9093

Sample Questions Q1) Accessors are also referred to as ____.

A) mutators B) properties C) getters D) classes Q2) Which of the following is true regarding methods of a class?

A) You must use the keyword static.

B) They are called instance methods.

C) To call methods of the class in the class, you must prefix the method name with the class name.

D) No return type is used when you define a class method.

Q3) A standard convention used by C# programmers is to use camel case style for property identifiers;Camel case style convention is also used for data member identifiers.

A)True B)False Q4) With the object-oriented approach,objects send messages to other objects and receive messages from objects.

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Chapter 5: Making Decisions Available Study Resources on Quizplus for this Chatper 75 Verified Questions 75 Flashcards Source URL: https://quizplus.com/quiz/9094

Sample Questions Q1) if (examScore > 89) grade = 'A'; The expression above is considered a(n)____.

A) iteration statement B) two-way if statement C) one-way if statement D) simple sequence instruction Q2) A comparison to determine whether the uppercase character S is less than the uppercase character W produces false.

A)True B)False Q3) Equality comparisons with floating-point and decimal types often produce unpredictable results.

A)True B)False Q4) What is stored in result when amount is equal to 12000?

A) 1 B) 2 C) 3 D) 4 Q5) You cannot use the ____________ statement to test for a range of values.

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Chapter 6: Repeating Instructions Available Study Resources on Quizplus for this Chatper 75 Verified Questions 75 Flashcards Source URL: https://quizplus.com/quiz/9095

Sample Questions Q1) Unlike the sentinel-controlled loop,the variable used with a state-controlled loop differs from the variable used to store the data that is being processed.

A)True B)False Q2) An interpretation of the while statement is "while the condition is true,perform statement(s)".

A)True B)False Q3) Instead of requiring that a dummy value be entered after all values are processed,a ____-controlled loop initializes a variable on the outside of the loop and then evaluates the variable to see when it changes values.Its value is changed inside the loop body when the loop should exit.

A) counter B) sentinel C) state D) change Q4) The for statement is a compact method of writing the loops that can be written using while;it packages together the ____________,test,and update all on one line.

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Chapter 7: Arrays Available Study Resources on Quizplus for this Chatper 75 Verified Questions 75 Flashcards Source URL: https://quizplus.com/quiz/9096

Sample Questions Q1) Because arrays are reference types,the ref keyword is required with the argument and parameter list.

A)True B)False Q2) If you do not know the size of the array needed,you can create an array large enough to hold any number of entries and tell users to enter a predetermined sentinel value after they enter the last value.Using this approach: A) requires that you increment a counter as values are entered so that you know how many elements are stored in your array B) is preferred to defining a static sized array.

C) requires that you dimension the array to hold at least 100 entries.

D) requires the array be defined to hold string elements.

Q3) When you pass a single array element such as an integer,you are passing by reference.

A)True B)False Q4) To create an array to hold the 5 numeric scores,you could write ____________.

Q5) The first element of an array is always referenced by index ____________.

Q6) All data values placed in an array must be of the same ____________.

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Chapter 8: Advanced Collections Available Study Resources on Quizplus for this Chatper 75 Verified Questions 75 Flashcards Source URL: https://quizplus.com/quiz/9097

Sample Questions Q1) Collection classes are classes that enable you to store and retrieve various groups of objects.

A)True B)False Q2) The string method that retrieves part of a string from a string argument is ____.

A) Trim( ) B) Substring( ) C) Retrieve( ) D) IndexOf( ) Q3) Which of the following returns the number of columns in a two-dimensional array?

A) Rank B) GetLength(0) C) GetLength(1) D) GetLength Q4) The Length property can be used to return the total number of elements in all dimensions.

A)True B)False Q5) The property ____________ returns the number of dimensions of the array.

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Chapter 9: Introduction to Windows Programming Available Study Resources on Quizplus for this Chatper 75 Verified Questions 75 Flashcards Source URL: https://quizplus.com/quiz/9098

Sample Questions Q1) The ____ property is used to determine whether a control is the one currently selected.

A) Control B) Focused C) Enabled D) Visible Q2) Visual Studio automatically imports the System.Windows.Forms namespace for you when you create a Windows Application Project using the IDE. A)True B)False Q3) The statement above adds the text "An Example" as the first entry on the form in the bottom left-hand corner.

A)True B)False Q4) Most classes,including control classes such as Label,Button,and TextBox,used with Windows application are defined in the ____________ namespace.

Q5) If you accidentally double-click on the form,you register the ____________ event.

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Chapter 10: Programming Based on Events Available Study Resources on Quizplus for this Chatper 74 Verified Questions 74 Flashcards Source URL: https://quizplus.com/quiz/9099

Sample Questions Q1) ____ objects usually appear as small boxes that allow users to make a yes/no selection.

A) RadioButton B) ListBox C) CheckBox D) ComboBox Q2) An added value of ComboBox objects is that compared to a ListBox object they ____.

A) save space on a form B) enable input and output of data C) can be used for multiple selections D) can have events of interest registered Q3) The Items,SelectedItems,and SelectedIndices properties are useful for retrieving selected items from the ListBox object.

A)True B)False Q4) The ____________ property can be set for RadioButton controls to indicate which button is initially selected.

Q5) The default event-handler method for CheckBox objects is ____________.

Page 12 is pressed while the control has focus.

Q6) The ____________ event fires when a key To view all questions and flashcards with answers, click on the resource link above.

Chapter 11: Advanced Object-Oriented Programming Features Available Study Resources on Quizplus for this Chatper 75 Verified Questions 75 Flashcards Source URL: https://quizplus.com/quiz/9100

Sample Questions Q1) Enabling multiple implementations of the same behaviors so that the appropriate implementation can be executed based on the situation describes ____ as it relates to object oriented development.

A) abstraction B) encapsulation C) polymorphism D) inheritance Q2) ____ classes cannot be instantiated.____ classes cannot be inherited.

A) Abstract, Sealed B) Sealed. Abstract C) Abstract, Abstract D) Sealed, Sealed Q3) Classes can have a "has a" relationship.This is a concept called ____ or aggregation.

A) "is a" B) inheritance C) polymorphism D) containment Q4) Through ____________ the CLR Page determines which method to call at run time 13 based on which object calls the method.

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Chapter 12: Debugging and Handling Exceptions Available Study Resources on Quizplus for this Chatper 75 Verified Questions 75 Flashcards Source URL: https://quizplus.com/quiz/9101

Sample Questions Q1) An exception handler is a ____.

A) block of code that is executed when an exception occurs B) Windows event handler C) menu option under the debugger D) trace of methods invoked during the problem Q2) The ____ property associated with exception objects returns a string describing the exception.

A) Text B) Message C) StackTrace D) Name Q3) With the Debugger,while in break mode,you can examine expressions to see what values are being generated.

A)True B)False Q4) You should desk check solutions to make sure the program is producing consistently accurate results.

A)True B)False Q5) A(n)____________ error is associated with a language rule violation.

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Chapter 13: Working with Files Available Study Resources on Quizplus for this Chatper 75 Verified Questions 75 Flashcards Source URL: https://quizplus.com/quiz/9102

Sample Questions Q1)

If

you

use

Visual

Studio

and

include

a

reference

to

the

System.IO

namespace,IntelliSense provides helpful information while you are developing your file application.

A)True B)False Q2) If an invalid path is included with the constructor for a StreamWriter object,____.

A) an InValidPathException is thrown B) a System exception occurs C) an IOException exception is thrown D) the program terminates Q3) The identifier that can be referenced in a WriteLine( )method with the declaration above is ____.

A) someOutputFileName B) someInputFileName C) outputFile D) inputFile Q4) If you do not specify the full path for the filename,Visual Studio uses the ____________ subdirectory of the current project.

Q5) Archive is a(n)____________ value for the Attributes property of the File class.

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Chapter 14: Working with Databases Available Study Resources on Quizplus for this Chatper 75 Verified Questions 75 Flashcards Source URL: https://quizplus.com/quiz/9103

Sample Questions Q1)

Typically

when

you

are

programming

for

database

access,you

use

+

"Data

a(n)____________.

Q2)

sConnection

=

"Provider=Microsoft.ACE.OLEDB.12.0;"

Source=member.accdb";is an example of a(n)____________.

Q3) The default server name for SQL Express is (LocalDB)\v11.0.

A)True B)False Q4) The connection string includes ____.

A) the data provider and the database name B) SQL statement to retrieve the data C) the type of database D) an open statement Q5) The ADO namespace includes a number of classes that allow you to interact with databases.

A)True B)False Q6)

The

four

core

classes

that

make

up

each

data

provider

are

____________,Command,DataReader,and DataAdapter.

Q7) The ____________ provides a visual representation of the dataset and table Page 16 adapter.It can be used to create and modify data and table adapters and their queries.

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Chapter 15: Web-Based Applications Available Study Resources on Quizplus for this Chatper 75 Verified Questions 75 Flashcards Source URL: https://quizplus.com/quiz/9104

Sample Questions Q1) Master pages actually consist of two pieces: the master page itself and one or more ____________ pages.

Q2) The ____ class reduces your need for accessing individual data provider classes when you are connecting to an Access database.

A) SqlDataBase B) ODBCDatabase C) OLEDBDataBase D) AccessDataSource Q3) ____________ tags tell the browser how to display data in different formats,for example,in bold or italic or in different fonts or font sizes.

Q4) All of the following types of controls can be added to a Web Forms page,EXCEPT ____.

A) Standard B) HTML C) ASP controls D) Validation Q5) Use the ____________ property to tie a validation control to a specific form control object such as a TextBox object.

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