week 3 QnA

Q.1 what is the difference between is and as operator in C#?

A.is operator is a boolean type where as operator is not. is operator returns true if the object is of the same type where as operator returns the object if it is compatible with the given type.

Q.2 what is the difference between struct and class?

A.classes are reference type where struct is a value type.

Q.3 list two types of errors in C# and why we would get them?

A.Syntax errors happen when you make a type mistake.

and runtime errors happen during execution of the program.

Q.4 can multiple catch blocks be executed?

A. no. but you can have multiple catch blocks but you need to place them carefully.

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