Free Ruby-Programmer-Gold Mock Exam – Practice Online Confidently

Examine the following Ruby code snippet:a = 2b = 3c = '4'result1 = a * bresult2 = a * cresult3 = c * bresult4 = c + a

Evaluate the following Ruby code snippet that involves the forwardable and date modules:require 'forwardable'require 'date' class Project extend Forwardable def_delegators :@deadline, :month, :day  attr_accessor :name attr_reader :deadline  def initialize(name, deadline) @name = name @deadline = Date.parse(deadline) endend project = Project.new("Ruby Exam Prep", "2024-06-30")result1 = project.monthresult2 = project.dayproject.deadline = Date.parse("2024-07-15")result3 = project.month What will be the values of result1, result2, and result3, respectively?

Review the following Ruby code snippet:def execute_operations(operations) operations.each do |operation| result = send(operation) break result if result == :error endend def operation1 :successend def operation2 :errorend def operation3 :successend result = execute_operations([:operation1, :operation2, :operation3]) What will be the value of result after executing this code?

Review the following Ruby code snippet:def divide_numbers(x, y) x / yrescue ZeroDivisionError => e puts "Error: #{e.message}"end result1 = divide_numbers(10, 2)result2 = divide_numbers(10, 0)result3 = begin divide_numbers(10, '5') rescue TypeError => e "Caught: #{e.class}" endresult4 = divide_numbers(10, nil) rescue "Invalid operation" What will be the values of result1, result2, result3, and result4, respectively?

Review the following Ruby code snippet in the context of class inheritance and method access control:class Product  def initialize(name, price)    @name = name    @price = price  end  private  def price    @price  endendclass Electronic < Product  def discount_amount(discount_percentage)    price * discount_percentage / 100.0  end  def discounted_price(discount_percentage)    price - discount_amount(discount_percentage)  endendelectronic_item = Electronic.new("Laptop", 1000)result = electronic_item.discounted_price(20)What will be the value of result?