Module declaration syntax in Ruby - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to declare a module named MyModule.

Ruby

module [1]
  # module content
end

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AMyModule

Bmy_module

CModule

Dmodule

Attempts:

3 left

💡 Hint

Common Mistakes

Using lowercase names for modules.

Using reserved words like 'module' as the module name.

The module name should start with a capital letter and be a valid constant name. MyModule is the correct module name.

2fill in blank

medium

Complete the code to define a method inside the module.

Ruby

module Greetings
  def self.[1]
    puts 'Hello!'
  end
end

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Agreet

BSayHello

Chello

Dsay_hello

Attempts:

3 left

💡 Hint

Common Mistakes

Using capital letters in method names.

Using method names that are not descriptive.

Method names should be lowercase with underscores. say_hello is a proper method name.

3fill in blank

hard

Fix the error in the module declaration syntax.

Ruby

module [1]
  def greet
    puts 'Hi!'
  end
end

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AGreetModule

BgreetModule

Cgreet_module

Dgreetmodule

Attempts:

3 left

💡 Hint

Common Mistakes

Using lowercase or snake_case for module names.

Using method names as module names.

Module names must be constants starting with a capital letter. GreetModule is correct.

4fill in blank

hard

Fill both blanks to create a module with a constant and a method.

Ruby

module [1]
  VERSION = '1.0'
  def self.[2]
    puts "Version: #{VERSION}"
  end
end

Drag options to blanks, or click blank then click option'

AAppInfo

Bshow_version

Cdisplay_version

Dapp_info

Attempts:

3 left

💡 Hint

Common Mistakes

Using lowercase for module names.

Using capital letters in method names.

The module name AppInfo follows Ruby conventions. The method show_version is a clear descriptive method name.

5fill in blank

hard

Fill all three blanks to define a nested module with a method.

Ruby

module [1]
  module [2]
    def self.[3]
      puts 'Nested module method'
    end
  end
end

Drag options to blanks, or click blank then click option'

AOuterModule

BInnerModule

Cnested_method

Dinner_module

Attempts:

3 left

💡 Hint

Common Mistakes

Using lowercase or snake_case for module names.

Using capital letters in method names.

Module names OuterModule and InnerModule use proper CamelCase. The method nested_method uses snake_case.