Object-Oriented Programming: Associations in a Learning Management System

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What is the primary purpose of associations in an OO solution?

To enable objects to interact with each other (correct)
To create a hierarchy of objects
To define the properties of an object
To implement inheritance

What type of variables are used to implement associations?

Static variables
Global variables
Class level variables
Instance level variables (correct)

What can be said about the associations between objects in an OO solution?

They are fixed and cannot change over time
They are only applicable to classes, not objects
They are only applicable to specific objects
They can change over time (correct)

What is the relationship between associations between objects and associations between classes?

Associations between objects can be generalized as associations between classes (A) Signup and view all the answers

What is navigability in the context of associations?

The ability of an object to know about another object in an association (B) Signup and view all the answers

What is an example of an association in an OO solution?

A Course object having a reference to a Student object (C) Signup and view all the answers

What is the term used to describe the concept of which object in an association knows about the other object?

Navigability (B) Signup and view all the answers

What is the characteristic of unidirectional navigability in an association between two objects?

One object has a reference to the other, but not vice versa (C) Signup and view all the answers

What is the result of having two unidirectional associations in opposite directions between two objects?

A unidirectional association is created (D) Signup and view all the answers

In the code, what is the relationship between the Person and Cat classes?

Bidirectional between Person and Cat (A) Signup and view all the answers

What is the outcome when a Person object p has a Cat object c as its pet?

Both p and c have references to each other (B) Signup and view all the answers

What can be inferred about the objects b and r in the association between the Box and Rope classes?

b and r have references to each other (A) Signup and view all the answers

What is the primary purpose of a brainstorming session?

To generate a large number of diverse and creative ideas (C) Signup and view all the answers

What is the main characteristic of an 'Essential' requirement in the categorization scheme?

The product must have this requirement fulfilled (C) Signup and view all the answers

What happens to requirements that are considered 'out of scope'?

They are discarded (C) Signup and view all the answers

What is the purpose of categorizing requirements in a software development project?

To prioritize requirements based on stakeholder input (D) Signup and view all the answers

What is the characteristic of a 'Typical' requirement in the categorization scheme?

Most similar systems have this feature (A) Signup and view all the answers

What is the goal of stakeholders in defining the meaning of each level in the scale?

To define the meaning of each level in the scale for the project at hand (D) Signup and view all the answers

What is the primary purpose of viewing the forum post count of each student?

To determine the activity level of students in the forum (A) Signup and view all the answers

What is the main difference between user stories and traditional requirements specifications?

The level of detail provided (C) Signup and view all the answers

What is the benefit of using user stories in software development?

They help to shift the focus from writing to discussing the features (A) Signup and view all the answers

What is the purpose of estimating the size of a user story?

To estimate the effort required to implement the user story (C) Signup and view all the answers

What type of requirements can be captured using user stories?

Both functional and non-functional requirements (D) Signup and view all the answers

When are the detailed requirements of a user story discussed?

During the implementation phase (B) Signup and view all the answers

What is the primary benefit of using user stories during the early stages of requirements gathering?

To ensure a systematic approach to identifying user requirements (C) Signup and view all the answers

What is the purpose of Step 0 in the recipe for brainstorming user stories?

To clear the mind of preconceived product ideas (C) Signup and view all the answers

What is the main characteristic of user stories that makes them useful for recording requirements?

Their lightweight and flexible nature (A) Signup and view all the answers

What is the main benefit of defining the target user as a persona in the recipe for brainstorming user stories?

To understand the user's work patterns and environment (B) Signup and view all the answers

What is the focus of the early stages of requirements gathering?

Figuring out the problem (i.e., user requirements) (A) Signup and view all the answers

What is an example of a non-functional requirement (NFR) captured as a user story?

As a user, I want to be able to experience reasonable response time from the website. (B) Signup and view all the answers