EasyRewardz Software Services Dot Net Fullstack Developer Interview Questions and Answers

Problems on dsa, SQL and development

Q1. What's Lock keyword
Ans. 
Lock keyword is used in C# to synchronize access to a shared resource by allowing only one thread to enter a critical section at a time.
• Used to prevent multiple threads from accessing a shared resource simultaneously

• Helps in avoiding race conditions and maintaining data integrity

• Can be used with Monitor class or lock statement
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Q2. What's Yield keywords
Ans. 
Yield keyword is used in C# to return a sequence of values one at a time.
• Yield keyword is used in iterator methods to return each element one by one.

• It allows the method to return multiple values without needing to store them all in memory.

• Yield return statement is used to return a value from the iterator method.
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Q1. Difference between inheritance and composition
Ans. 
Inheritance is an 'is-a' relationship where a class inherits properties and behaviors from another class. Composition is a 'has-a' relationship where a class contains an instance of another class.
• Inheritance involves creating a new class by using existing class's properties and behaviors.

• Composition involves creating a class that contains an instance of another class.

• Inheritance promotes code reusability and is used fo...read more
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