C# Quiz

Which of the following is the correct file extension for C# source code files?

• .c

• .cs

• .cpp

• .java

Which keyword is used for inheritance in C#?

• inherit

• implements

• extends

• :

Which data type is used to represent a single character in C#?

• string

• char

• int

• byte

Which of the following is NOT a value type in C#?

• float

• bool

• string

• char

Which keyword is used to create an object in C#?

• class

• define

• object

• new

What is the access specifier for a member visible only within its own class?

• public

• protected

• internal

• private

Which loop always executes at least once?

• for

• while

• foreach

• do-while

Which LINQ method counts elements in a collection?

• Private fields

• Declare parameter

• Variable number of arguments

• Prevent Overriding

What is used to handle exceptions in C#?

• catch

• throw

• try

• All of the above

Which collection is used for key-value pairs?

• List

• Dictionary

• Stack

• ArrayList