[Solved] What is wrong with this Ruby code?require 'json' hash = {name: "Eve", age: 28} json_str = JSON.parse(hash) | Ruby

Ruby - File IO

What is wrong with this Ruby code?

require 'json'
hash = {name: "Eve", age: 28}
json_str = JSON.parse(hash)

AJSON.parse should be JSON.generate here

BJSON.parse expects a JSON string, not a Ruby hash

CHash keys must be strings, not symbols

DMissing require 'json' statement

Step-by-Step Solution

Solution:

Step 1: Understand JSON.parse input requirements
JSON.parse expects a JSON formatted string as input, not a Ruby hash.
Step 2: Identify correct method to convert hash to JSON string
To convert a Ruby hash to JSON string, use JSON.generate, not JSON.parse.
Final Answer:
JSON.parse expects a JSON string, not a Ruby hash -> Option B
Quick Check:
JSON.parse input = JSON string, not Ruby object [OK]

Quick Trick: Use JSON.generate for Ruby object to JSON string conversion [OK]

Common Mistakes:

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