[Solved] What is the output of this Ruby code?require 'json' json_str = '{"name":"Bob","age":25}' obj = JSON.parse(json_str) puts obj["name"] | Ruby

Ruby - File IO

What is the output of this Ruby code?

require 'json'
json_str = '{"name":"Bob","age":25}'
obj = JSON.parse(json_str)
puts obj["name"]

ABob

B25

C{"name":"Bob","age":25}

Dnil

Step-by-Step Solution

Solution:

Step 1: Parse JSON string into Ruby hash
JSON.parse converts the JSON string into a Ruby hash with keys as strings.
Step 2: Access the value for key "name"
obj["name"] returns the value associated with "name", which is "Bob".
Final Answer:
Bob -> Option A
Quick Check:
Access parsed JSON key = "Bob" [OK]

Quick Trick: Parsed JSON keys are strings, access with string keys [OK]

Common Mistakes:

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