12/8/21, 1:29 AM Quiz +: FA21: CS-151 Sec 04 - Object Orntd Dsgn Quiz + Due Sep 30 at 11:59pm Points 40 Questions 27 Available until Dec 11 at 11:59pm Time Limit 40 Minutes Instructions Instructions This exam does not need LockDown browser. This exam is closed all materials. This exam is time sensitive and Canvas will submit your work automatically if time is over. Use violet or the like for the UML diagrams. Attempt History LATEST Attempt Time Score Attempt 1 40 minutes 33.67 out of 40 Score for this quiz: 33.67 out of 40 Submitted Sep 30 at 11:11pm This attempt took 40 minutes. Question 1 1 / 1 pts The subclass inherits all visible members of superclass. Correct! True False Question 2 1 / 1 pts Java supports multiple-inheritance because it is very useful in programming. https://sjsu.instructure.com/courses/1433269/quizzes/1513609 1/11 12/8/21, 1:29 AM Quiz +: FA21: CS-151 Sec 04 - Object Orntd Dsgn True Correct! False Question 3 0 / 1 pts Which one is the best answer about functional spec? A. None of them are correct. B. It describes how to solve the problem. Correct Answer C. Basically, it describes the required features. You Answered D. B and C are correct. Question 4 1 / 1 pts Creating a mockup of the final software helps to understand the software better. Correct! True False Question 5 0 / 1 pts An object is an entity that has 3 properties: state, behavior, and name You Answered True Correct Answer False https://sjsu.instructure.com/courses/1433269/quizzes/1513609 2/11 12/8/21, 1:29 AM Quiz +: FA21: CS-151 Sec 04 - Object Orntd Dsgn Question 6 1 / 1 pts Class A is dependent on class B if class A uses class B. Correct! True False Question 7 1 / 1 pts Software development process is not a linear progression through some phases. Correct! True False Question 8 1 / 1 pts Objects are the instances of their classes. Correct! True False Question 9 1 / 1 pts Dependency is a special case of aggregation. True https://sjsu.instructure.com/courses/1433269/quizzes/1513609 3/11 12/8/21, 1:29 AM Correct! Quiz +: FA21: CS-151 Sec 04 - Object Orntd Dsgn False Question 10 1 / 1 pts Pick all true statement in OOP. Correct! Paradigm is a method for modeling and representing of the entities and the relationship between them. Correct! In object-oriented paradigm, we model the entities of the real universe by "Objects". Correct! Behavior of an object is the set of the operations (or services) that object can do (or give). Identity of an object is the name we give to it. Question 11 1 / 1 pts To discover classes, we should look for verbs in the functional spec. True Correct! False Question 12 1 / 1 pts To make an attribute write-only, https://sjsu.instructure.com/courses/1433269/quizzes/1513609 4/11 12/8/21, 1:29 AM Quiz +: FA21: CS-151 Sec 04 - Object Orntd Dsgn we should add its getter. Correct! we should add its setter. we should add its getter and setter. none is correct. Question 13 1 / 1 pts Choosing the algorithms is the implementation concern. Correct! True False Question 14 0.67 / 1 pts Which on is class member in OOP? Correct! Instance variables Correct Answer Attributes Correct! Methods None is correct. Question 15 1 / 1 pts Which one is correct about functional spec? https://sjsu.instructure.com/courses/1433269/quizzes/1513609 5/11 12/8/21, 1:29 AM Quiz +: FA21: CS-151 Sec 04 - Object Orntd Dsgn A. None of them are correct. B. It describes how to solve the problem. Correct! C. Basically, it describes the required features. D. B and C are correct. Question 16 0 / 1 pts We know that class Y inherits class X and X has a public method called aMeth that is NOT overridden in Y. (Choose all true statements.) To call aMeth in class Y, we have to use "super." keyword. To call aMeth in class X, we have to use "this." keyword. Correct Answer To call aMeth in class Y, we can use "super." keyword optionally. You Answered None of them are correct. Question 17 1 / 1 pts Choosing the programming language is the design concern. True Correct! False Question 18 1 / 1 pts Object-oriented design methodology can deal with change and complexity. https://sjsu.instructure.com/courses/1433269/quizzes/1513609 6/11 12/8/21, 1:29 AM Correct! Quiz +: FA21: CS-151 Sec 04 - Object Orntd Dsgn True False Question 19 1 / 1 pts The criteria for testing an application is its functional spec. Correct! True False Question 20 1 / 1 pts Choose all true statements. Correct! A class tagged as final cannot be sub-classed (extended, or inherited). Correct! A method tagged as final cannot be overridden. Correct! An attribute tagged as final cannot be altered. None of them are correct. Question 21 2 / 2 pts What are the fundamental concepts of OOP? Your Answer: https://sjsu.instructure.com/courses/1433269/quizzes/1513609 7/11 12/8/21, 1:29 AM Quiz +: FA21: CS-151 Sec 04 - Object Orntd Dsgn OOP has 4 fundamental concepts: Abstraction Polymorphism Inheritance Encapsulation Question 22 2 / 2 pts What is the definition of mutable class? Your Answer: If an object's state can be changed, we call its class "mutable" Question 23 2 / 2 pts What is the definition of interface (or API) of a class? Your Answer: The set of visible members of the class Question 24 https://sjsu.instructure.com/courses/1433269/quizzes/1513609 2 / 2 pts 8/11 12/8/21, 1:29 AM Quiz +: FA21: CS-151 Sec 04 - Object Orntd Dsgn What are the 5 phases out of 7 phases into which we break up the software development process? Your Answer: Analysis Design Implementation Testing Delivery 2 / 2 pts Question 25 What is the definition of "encapsulation" in OOP? Your Answer: The ability of bundling attributes and behaviors (in a class) and controlling attributes, behaviors and class' visibility Question 26 3.5 / 4 pts We have Product class and we are going to create the OnlineCart class. Draw a class diagram that shows how you aggregate Product class in the OnlineCart class. Multiplicity are required and the relationships are unidirectional. https://sjsu.instructure.com/courses/1433269/quizzes/1513609 9/11 12/8/21, 1:29 AM Quiz +: FA21: CS-151 Sec 04 - Object Orntd Dsgn Your Answer: Question 27 3.5 / 6 pts Assume we have the following classes: Customer, Product, CreditCard and we are going to create the Order class. Draw one class diagram that shows how you aggregate the above classes in the Order class. Multiplicity are required and the relationships are unidirectional. https://sjsu.instructure.com/courses/1433269/quizzes/1513609 10/11 12/8/21, 1:29 AM Quiz +: FA21: CS-151 Sec 04 - Object Orntd Dsgn Your Answer: Quiz Score: 33.67 out of 40 https://sjsu.instructure.com/courses/1433269/quizzes/1513609 11/11
