[Solved] Find the error in this code:var dict = new Dictionary<string, int>(); int value = dict["missingKey"]; | C Sharp (C#)

C Sharp (C#) - Collections

Find the error in this code:

var dict = new Dictionary<string, int>();
int value = dict["missingKey"];

ACompilation error due to missing key

BCode runs without error and value is null

Cvalue will be 0 by default

DKeyNotFoundException at runtime

Step-by-Step Solution

Solution:

Step 1: Understand dictionary indexer behavior
Accessing a missing key with indexer throws KeyNotFoundException at runtime.
Step 2: Analyze code snippet
dict["missingKey"] does not exist, so exception occurs.
Final Answer:
KeyNotFoundException at runtime -> Option D
Quick Check:
Indexer access missing key throws exception [OK]

Quick Trick: Indexer throws exception if key missing [OK]

Common Mistakes:

MISTAKES

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