[Solved] What will be the output of this Ruby code?fiber = Fiber.new do puts 'Hello' Fiber.yield puts 'World' end fiber.resume fiber.resume | Ruby

Ruby - Concurrent Programming

What will be the output of this Ruby code?

fiber = Fiber.new do
  puts 'Hello'
  Fiber.yield
  puts 'World'
end
fiber.resume
fiber.resume

AHello

BWorld

CHello World

DHello World

Step-by-Step Solution

Solution:

Step 1: Trace first resume call
On first fiber.resume, it prints 'Hello' then hits Fiber.yield, pausing execution.
Step 2: Trace second resume call
Second fiber.resume resumes after yield, printing 'World'.
Final Answer:
Hello World -> Option D
Quick Check:
Fiber yield pauses, resume continues = Hello World [OK]

Quick Trick: Fiber.yield pauses; resume continues from yield point [OK]

Common Mistakes:

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