Which of the following is the correct syntax to specify a gem version constraint for exactly version 1.5.2 in a Gemfile?

easy📝 Syntax Q3 of 15

Ruby - Gems and Bundler

Agem 'rails', '1.5.2'

Bgem 'rails', '~> 1.5.2'

Cgem 'rails', '>= 1.5.2'

Dgem 'rails', '< 1.5.2'

Step-by-Step Solution

Solution:

Step 1: Understand how to specify exact version in Gemfile
Specifying a version as a string without operators means exactly that version.
Step 2: Check each option
gem 'rails', '1.5.2' specifies exactly '1.5.2'. gem 'rails', '~> 1.5.2' allows patch updates. gem 'rails', '>= 1.5.2' allows any version >= 1.5.2. gem 'rails', '< 1.5.2' allows versions less than 1.5.2.
Final Answer:
gem 'rails', '1.5.2' -> Option A
Quick Check:
Exact version syntax = gem 'rails', '1.5.2' [OK]

Quick Trick: Use version string without operators for exact version [OK]

Common Mistakes:

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