Free Ruby Association Ruby-Programmer-Gold Exam Questions
Absolute Free Ruby-Programmer-Gold Exam Practice for Comprehensive Preparation
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Ruby Association Ruby-Programmer-Gold Exam Questions
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Provided By: Ruby Association
- Exam: Ruby Association Certified Ruby Programmer Gold version 3
- Certification: Ruby Association Certified
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Total Questions: 160
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Updated On: May 23, 2026
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Rated: 4.9 |
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Online Users: 320
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Question 1
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Consider the following Ruby code snippet involving the implementation and usage of the Comparable module:
class TimeRange include Comparable attr_reader :start_time, :end_time def initialize(start_time, end_time) @start_time = start_time @end_time = end_time end def (other) return nil unless other.is_a?(TimeRange) [start_time, end_time] [other.start_time, other.end_time] endend time_range1 = TimeRange.new(10, 20)time_range2 = TimeRange.new(15, 25)time_range3 = TimeRange.new(10, 20) result1 = time_range1 time_range3 What will be the values of result1, result2, and result3, respectively?
Answer: B
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Question 2
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Consider the following Ruby code snippet that incorporates the use of refinements:
module StringAdjustments refine String do def emphasize "#{self}!" end endend class Writer using StringAdjustments def emphasize_statement(statement) statement.emphasize endend writer = Writer.newexternal_statement = "Hello".emphasize result1 = writer.emphasize_statement("Hello")result2 = external_statement What will be the values of result1 and result2, respectively?
Answer: C
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Question 3
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In Ruby, the understanding of operators and their precedence is crucial for writing correct and efficient code. Consider the following Ruby code snippet:
a = 10b = 3result1 = a + b * 2result2 = (a + b) % 3result3 = a ** b / 2 Based on this code, which two of the following statements are true regarding the use of operators and their precedence?
Answer: A,E
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Question 4
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Analyze the following Ruby code snippet in the context of class design and instance variable management:
class Bookattr_reader :title, :author@@total_books = 0def self.total_books@@total_booksenddef initialize(title, author)@title = title@author = author@@total_books += 1endendclass Libraryattr_reader :booksdef initialize@books = []enddef add_book(book)@books << bookenddef total_books_in_library@books.sizeendendlibrary = Library.newlibrary.add_book(Book.new("1984", "George Orwell"))library.add_book(Book.new("To Kill a Mockingbird", "Harper Lee"))result1 = Library.total_booksresult2 = library.total_books_in_libraryWhat will be the values of result1 and result2, respectively?
Answer: C
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Question 5
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Analyze the following Ruby code snippet that utilizes regular expressions for string processing:
class EmailExtractor EMAIL_REGEX = /(\b[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Z|a-z]{2,}\b)/ def self.extract_from(text) text.scan(EMAIL_REGEX).flatten endend text1 = "Contact us at support@example.com for assistance"text2 = "Send your feedback to: feedback@example.co.uk and admin@example.com"text3 = "No emails here!" result1 = EmailExtractor.extract_from(text1)result2 = EmailExtractor.extract_from(text2)result3 = EmailExtractor.extract_from(text3) What will be the values of result1, result2, and result3, respectively?
Answer: A
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