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What does a Dictionary<TKey, TValue> in C# primarily store?

easy🧠 Conceptual Q1 of 15
C Sharp (C#) - Collections
What does a Dictionary<TKey, TValue> in C# primarily store?
AA list of keys without values
BOnly values without keys
CPairs of keys and values where each key is unique
DMultiple values with duplicate keys
Step-by-Step Solution
Solution:
  1. Step 1: Understand the Dictionary structure

    A Dictionary stores data as pairs, where each key is linked to a value.
  2. Step 2: Identify uniqueness of keys

    Each key in a Dictionary must be unique to correctly retrieve its associated value.
  3. Final Answer:

    Pairs of keys and values where each key is unique -> Option C
  4. Quick Check:

    Dictionary stores unique key-value pairs = C [OK]
Quick Trick: Dictionary stores unique keys with values [OK]
Common Mistakes:
MISTAKES
  • Thinking keys can be duplicated
  • Confusing Dictionary with List
  • Assuming Dictionary stores only values

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