1. Identify the class belonging to the System.Collections.Generic namespace from the provided list?

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1. Sorted Array

2. Tree

3. Stack ✅

4. All of the mentioned

2. Which programming construct is suitable for implementing a runtime notification system for an object to generate simple notifications?

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1. interface

2. attribute

3. namespace

4. delegate ✅

3. What condition must be met for the implementation of delegates?

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1. exceptions

2. class declaration ✅

3. runtime polymorphism

4. inheritance

4. What is the main difference between a value type and a reference type?

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