C Sharp (C#) - Exception Handling
Which interface must a resource implement to be used inside a
using statement in C#?Which interface must a resource implement to be used inside a using statement in C#?
easy🧠 Conceptual Q2 of Q15
Step-by-Step Solution
Solution:
Step 1: Identify the interface for resource cleanup
The using statement requires the resource to implement IDisposable to call Dispose automatically.Step 2: Check other interfaces
IEnumerable is for collections, ICloneable for copying, IComparable for sorting, none relate to cleanup.Final Answer:
IDisposable -> Option BQuick Check:
using requires IDisposable = B [OK]
Quick Trick: using needs IDisposable interface implemented [OK]
Common Mistakes:
MISTAKES- Choosing IEnumerable or other unrelated interfaces
- Not knowing IDisposable is for cleanup
- Confusing IDisposable with other interfaces
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