[Solved] A developer writes this JSON snippet for related links:{ "links": { "profile": {"href": "/users/1/profile"}, "profile": {"href": "/users/2/profile"} } }What is the problem with this snippet? | Rest API

Rest API - HATEOAS and Linking

A developer writes this JSON snippet for related links:

{
  "links": {
    "profile": {"href": "/users/1/profile"},
    "profile": {"href": "/users/2/profile"}
  }
}

What is the problem with this snippet?

AThe href values are invalid URLs

BDuplicate keys cause the first profile link to be overwritten

CThe links object should be an array

DThe profile key should be nested inside user

Step-by-Step Solution

Solution:

Step 1: Identify duplicate keys in JSON object
JSON objects cannot have duplicate keys; the second "profile" overwrites the first.
Step 2: Understand effect on data
Only the last "profile" link remains, losing the first link information.
Final Answer:
Duplicate keys cause the first profile link to be overwritten -> Option B
Quick Check:
Duplicate keys overwrite earlier ones [OK]

Quick Trick: Avoid duplicate keys in JSON objects [OK]

Common Mistakes:

MISTAKES

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A developer writes this JSON snippet for related links: