How do you correctly create a Ractor in Ruby that returns the string 'hello'?

easy📝 Syntax Q3 of 15

Ruby - Concurrent Programming

How do you correctly create a Ractor in Ruby that returns the string 'hello'?

Ar = Ractor.new { 'hello' }

Br = Ractor.create('hello')

Cr = Ractor.start { return 'hello' }

Dr = Ractor.spawn('hello')

Step-by-Step Solution

Solution:

Step 1: Recall Ractor creation syntax
Use Ractor.new with a block returning the desired value.
Step 2: Evaluate options
Only r = Ractor.new { 'hello' } uses correct syntax; others use invalid methods.
Final Answer:
r = Ractor.new { 'hello' } -> Option A
Quick Check:
Ractor.new takes a block returning the value [OK]

Quick Trick: Use Ractor.new with a block to create Ractors [OK]

Common Mistakes:

Master "Concurrent Programming" in Ruby

9 interactive learning modes - each teaches the same concept differently

Want More Practice?

15+ quiz questions · All difficulty levels · Free

More Ruby Quizzes