Question 1

A loop is ____.

Accepted Answer

A)  A structure for implementing conditional logic 
B)  A collection of program statements that are repeatedly executed 
C)  A program statement that allows a script to be restarted 
D)  None of the above 
A)  A structure for implementing conditional logic 
B)  A collection of program statements that are repeatedly executed 
C)  A program statement that allows a script to be restarted 
D)  None of the above B

Question 2

Which of the following operators is the Ruby assignment operator?

Accepted Answer

A)  == 
B)  equals 
C)  = 
D)  None of the above 
A)  == 
B)  equals 
C)  = 
D)  None of the above C

Question 3

Which of the following operators can be used to automatically increment a variable's value?

Accepted Answer

A)  +_+ 
B)  += 
C)  =,= 
D)  plus 
A)  +_+ 
B)  += 
C)  =,= 
D)  plus B

Question 4

In Ruby variable names must be formulated in accordance in a very specific set of rules. These rules includes all of the following except:

Accepted Answer

A)  Variable names must begin with a number 
B)  Variable names cannot include underscore characters 
C)  Variable names may include blank spaces 
D)  All of the above 
A)  Variable names must begin with a number 
B)  Variable names cannot include underscore characters 
C)  Variable names may include blank spaces 
D)  All of the above

Question 5

new is a method that initiates the creation of a new object.

Accepted Answer

A) True 
 B)False

Question 6

When working with #{} , Ruby is able to perform variable substitution.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following is a valid string?

Accepted Answer

A)  " Once upon a time" 
B)  "1 2 3 4 5" 
C)  %Q{Once upon a time} 
D)  All of the above 
A)  " Once upon a time" 
B)  "1 2 3 4 5" 
C)  %Q{Once upon a time} 
D)  All of the above

Question 8

Ruby requires that programmers specify a numeric class type, otherwise errors occur.

Accepted Answer

A) True 
 B)False

Question 9

When working with double-quotes, Ruby is not able to perform escaping.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following statements is false?

Accepted Answer

A)  Ruby permits an existing class to be used as the basis for defining a new class 
B)  Child classes must be identical to the parent class upon which they are based and cannot be further modified 
C)  Custom classes can be used to model the creation of real life concepts 
D)  All of the above 
A)  Ruby permits an existing class to be used as the basis for defining a new class 
B)  Child classes must be identical to the parent class upon which they are based and cannot be further modified 
C)  Custom classes can be used to model the creation of real life concepts 
D)  All of the above

Question 11

The childclass operator is used to create a new class based on an existing (parent) class.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following escape characters can be used to embed a new line feed instruction inside a text string?

Accepted Answer

A)  \b 
B)  \f 
C)  
 
D)  	 
A)  \b 
B)  \f 
C)  
 
D)

Question 13

A numeric value can be converted to a string using which of the following methods?

Accepted Answer

A)  to_t 
B)  to_text 
C)  conv_t 
D)  to_s 
A)  to_t 
B)  to_text 
C)  conv_t 
D)  to_s

Question 14

One of the primary benefits of object-oriented programming is its ability to allow programmers to model the creation of classes based on real life concepts.

Accepted Answer

A) True 
 B)False

Question 15

Ruby supports a number of different types of scope, including ____.

Accepted Answer

A)  Local 
B)  Remote 
C)  Module 
D)  None of the above 
A)  Local 
B)  Remote 
C)  Module 
D)  None of the above

Question 16

A module is a container use to group classes, method, and constants.

Accepted Answer

A) True 
 B)False

Question 17

Ruby is not an object-oriented programming language.

Accepted Answer

A) True 
 B)False

Question 18

The advantage of using %q{ and } and %Q{ and } characters in place of quotation marks is that these characters allow for the creation of strings that span multiple lines.

Accepted Answer

A) True 
 B)False

Question 19

An attr_accessor is a keyword that identifies a list of one or more object properties.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following is a true statement about constants?

Accepted Answer

A)  Constant names must begin with the underscore character 
B)  Constant names must begin with a capital letter 
C)  Constant names are limited to a maximum of 12 characters 
D)  Both b and c 
A)  Constant names must begin with the underscore character 
B)  Constant names must begin with a capital letter 
C)  Constant names are limited to a maximum of 12 characters 
D)  Both b and c

A loop is ____.

Which of the following operators is the Ruby assignment operator?

Which of the following operators can be used to automatically increment a variable's value?

In Ruby variable names must be formulated in accordance in a very specific set of rules. These rules includes all of the following except:

new is a method that initiates the creation of a new object.

When working with #{} , Ruby is able to perform variable substitution.

Which of the following is a valid string?

Ruby requires that programmers specify a numeric class type, otherwise errors occur.

When working with double-quotes, Ruby is not able to perform escaping.

Which of the following statements is false?

The childclass operator is used to create a new class based on an existing (parent) class.

Which of the following escape characters can be used to embed a new line feed instruction inside a text string?

A numeric value can be converted to a string using which of the following methods?

One of the primary benefits of object-oriented programming is its ability to allow programmers to model the creation of classes based on real life concepts.

Ruby supports a number of different types of scope, including ____.

A module is a container use to group classes, method, and constants.

Ruby is not an object-oriented programming language.

The advantage of using %q{ and } and %Q{ and } characters in place of quotation marks is that these characters allow for the creation of strings that span multiple lines.

An attr_accessor is a keyword that identifies a list of one or more object properties.

Which of the following is a true statement about constants?

Ruby Basics

Interacting With Ruby

Implementing Conditional Logic

Working With Loops

Working With Collections of Data

Working With Regular Expressions

Object-Oriented Programming

File and Folder Administration

Debugging

Ruby on Rails Web Development

Filters

Exam 3: Working With Strings, Objects, and Variables

A loop is ____.

Which of the following operators is the Ruby assignment operator?

Which of the following operators can be used to automatically increment a variable's value?

In Ruby variable names must be formulated in accordance in a very specific set of rules. These rules includes all of the following except:

new is a method that initiates the creation of a new object.

When working with #{} , Ruby is able to perform variable substitution.

Which of the following is a valid string?

Ruby requires that programmers specify a numeric class type, otherwise errors occur.

When working with double-quotes, Ruby is not able to perform escaping.

Which of the following statements is false?

The childclass operator is used to create a new class based on an existing (parent) class.

Which of the following escape characters can be used to embed a new line feed instruction inside a text string?

A numeric value can be converted to a string using which of the following methods?

One of the primary benefits of object-oriented programming is its ability to allow programmers to model the creation of classes based on real life concepts.

Ruby supports a number of different types of scope, including ____.

A module is a container use to group classes, method, and constants.

Ruby is not an object-oriented programming language.

The advantage of using %q{ and } and %Q{ and } characters in place of quotation marks is that these characters allow for the creation of strings that span multiple lines.

An attr_accessor is a keyword that identifies a list of one or more object properties.

Which of the following is a true statement about constants?

Ruby Basics

Interacting With Ruby

Implementing Conditional Logic

Working With Loops

Working With Collections of Data

Working With Regular Expressions

Object-Oriented Programming

File and Folder Administration

Debugging

Ruby on Rails Web Development

Filters