Which of the following is the correct syntax for string interpolation in Ruby?

easy📝 Syntax Q3 of 15

Ruby - Variables and Data Types

A'Hello, #{name}!'

B"Hello, $name!"

C"Hello, #{name}!"

D"Hello, ${name}!"

Step-by-Step Solution

Solution:

Step 1: Recall Ruby interpolation syntax
Ruby uses #{expression} inside double-quoted strings for interpolation.
Step 2: Evaluate each option
"Hello, #{name}!" uses correct syntax. "Hello, $name!" uses $ which is not for interpolation. 'Hello, #{name}!' uses single quotes, so no interpolation. "Hello, ${name}!" uses ${} which is not Ruby syntax.
Final Answer:
"Hello, #{name}!" -> Option C
Quick Check:
Correct interpolation syntax = #{ } inside double quotes [OK]

Quick Trick: Always use #{ } inside double quotes for interpolation [OK]

Common Mistakes:

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