Question 1

A hyphen and a greater-than symbol used to access the methods and properties contained in an object are referred to as ____.
A) class
B) member selection notation
C) selector
D) data structure

Accepted Answer

The hyphen and greater-than symbol combination used in programming languages like JavaScript is called member selection notation. This notation is used to access the methods and properties contained within an object. Options A, C, and D are incorrect because they do not accurately describe this notation.

Question 2

Class variables are known as ____.
A) class members
B) data members
C) classmates
D) parameters

Accepted Answer

Class variables are also known as data members. They are variables that are associated with the class as a whole rather than with specific instances of the class.

Question 3

Another name for a property is a(n) ____________________.

Accepted Answer

The answer of Another name for a property is a(n)...

Question 4

____________________ can be referred to as components.

Accepted Answer

The answer of ____________________ can be referred to as components....

Question 5

____________________ places code inside what programmers like to call a "black box."

Accepted Answer

The answer of ____________________ places code inside what programmers like...

Question 6

When an object from the class is instantiated it automatically calls a(n) ____, which is a special function with the same name as its class.
A) class constructor
B) method
C) attribute
D) member function

Accepted Answer

The class constructor is a special function with the same name as its class that is automatically called when an object from the class is instantiated. It is responsible for initializing the attributes of the object to their default values.

Question 7

____ is a system for organizing data.
A) Programming
B) Database Storage
C) Data structure
D) Class creation

Accepted Answer

A data structure is a system for organizing and storing data efficiently.

Question 8

A particular instance of an object ____ the methods and properties its class.
A) cancels
B) inherits
C) creates
D) instantiates

Accepted Answer

An instance of an object inherits the methods and properties of its class, meaning it receives the functionality and attributes defined in the class blueprint.

Question 9

To enable anyone to call a class's member function use a(n) ____.
A) private access specifier
B) public access specifier
C) hidden access specifier
D) open access specifier

Accepted Answer

To enable anyone to call a class's member function, it must be declared as public. Public access specifier allows the member functions to be accessed from anywhere, even outside the class. Private access specifier restricts the access to the member functions only within the class, while hidden and open access specifiers are not valid terms in C++.

Question 10

Data refers to information contained within ____________________.

Accepted Answer

The answer of Data refers to information contained within ____________________....

Question 11

To create a class in PHP, use the ____ keyword to write a class definition.
A) definition
B) class
C) create
D) construct

Accepted Answer

The keyword "class" is used to define a class in PHP.

Question 12

Use the ____ comparison operator to determine whether an object is instantiated from a given class.
A) instanceof
B) classof
C) objectof
D) memberof

Accepted Answer

The instanceof operator is used to check whether an object is an instance of a particular class or not. It returns true if the object is an instance of the specified class or any subclass of the specified class; otherwise, it returns false.

Question 13

The ____ portion of the class definition is the name of the new class.
A) Definition
B) Object
C) MemberClass
D) ClassName

Accepted Answer

The name of the new class is referred to as the ClassName in the class definition.

Question 14

Class functions are called ____.
A) methods
B) constructors
C) function members
D) class members

Accepted Answer

The answer of Class functions are called ____.
A) methods
B) constructors
C)...

Question 15

____________________ associated with an object are called methods.

Accepted Answer

The answer of ____________________ associated with an object are called...

Question 16

____ are the functions and variables defined in a class.
A) Constructors
B) Methods
C) Function Members
D) Class Members

Accepted Answer

Class members include both functions (methods) and variables defined within a class. Constructors are a special type of method used to initialize objects of a class. Function members is not a commonly used term in object-oriented programming.

Question 17

The ____ function determines whether a class exists and is available to the current script.
A) object_exists()
B) get_class()
C) class_exists()
D) member_exists()

Accepted Answer

The class_exists() function is used to determine if a class exists and is available in the current script. The other options listed (object_exists(), get_class(), and member_exists()) do not specifically pertain to checking for the existence of a class.

Question 18

____ the object means creating an object from a class.
A) Editing
B) Threading
C) Instantiating
D) Copying

Accepted Answer

Instantiating is the process of creating an object from a class.

Question 19

Cleaning up, or reclaiming memory that is reserved by a program is called ___
A) housekeeping
B) garbage collection
C) refreshing
D) flushing

Accepted Answer

Garbage collection is the process of identifying and freeing memory that is no longer being used by a program. This helps to prevent memory leaks and improve the overall performance of the system. Housekeeping, refreshing, and flushing may refer to other types of maintenance tasks but do not specifically relate to memory management.

Question 20

Class members that other programmers do not need access to should be ____.
A) hidden
B) deleted
C) saved
D) copied

Accepted Answer

Class members that other programmers do not need access to should be hidden. This is achieved by using access modifiers like private, protected, or internal in C#. This helps to ensure encapsulation, which is a fundamental principle of object-oriented programming (OOP).

Quiz 10: Developing Object-Oriented Php

A hyphen and a greater-than symbol used to access the methods and properties contained in an object are referred to as ____.

Class variables are known as ____.

Another name for a property is a(n) ____________________.

____________________ can be referred to as components.

____________________ places code inside what programmers like to call a "black box."

When an object from the class is instantiated it automatically calls a(n) ____, which is a special function with the same name as its class.

____ is a system for organizing data.

A particular instance of an object ____ the methods and properties its class.

To enable anyone to call a class's member function use a(n) ____.

Data refers to information contained within ____________________.

To create a class in PHP, use the ____ keyword to write a class definition.

Use the ____ comparison operator to determine whether an object is instantiated from a given class.

The ____ portion of the class definition is the name of the new class.

Class functions are called ____.

____________________ associated with an object are called methods.

____ are the functions and variables defined in a class.

The ____ function determines whether a class exists and is available to the current script.

____ the object means creating an object from a class.

Cleaning up, or reclaiming memory that is reserved by a program is called ___

Class members that other programmers do not need access to should be ____.