C# Quiz Part-2

 C# Quiz Part-2

11. Can Abstract Class have Constructor?

 A. Yes
 B. No
 C. Can't say
 D. None of them

... Answer is A)
Yes, Abstract class can have constructor and also can cal from derived class

12. Static variable is called using class name but cannot be call static variable through object?

 A. True
 B. False
 C. Can't say
 D. None of there

... Answer is A)
True , Only one copy of static variable is create and used every where

13. In case of dynamic variable ?

 A. Type of variable can be decided at compile time or run time
 B. Type of the variable is decided at compile time
 C. Type of the variable is decided at run time
 D. None of them

... Answer is C)
Type of the variable is decided at run time

14. The process of Converting a Value Type to a Reference Type(object) is called ?

 A. Boxing
 B. UN-Boxing
 C. Conversion
 D. None of them

... Answer is A)
Boxing

15. File.AppendText() is used to create a StreamWriter ?

 A. Which appends UTF-16 encoded text to an new file
 B. Which appends UTF-8 encoded text to an existing file
 C. Cab be Both
 D. None of them

... Answer is B)
Appends UTF-8 encoded text to an existing file

16.  ?? operator In C# is called Null-coalescing operator which ? 

 A. Is used to check null values. 
 B. Is used to check any values.
 C. Both
 D. None of them

... Answer is A)
used to check null values

17.  In c# File.Move() method is used to move a specified file to a new location ? 

 A. True  
 B. False
 C. Can't say .
 D. None of them

... Answer is A)
True 

18. UInt32 is used to represents ?

 A. 64-bit unsigned integer
 B. 32-bit signed integer
 C. 32-bit unsigned integer  
 D. None of them

... Answer is C)
32-bit unsigned integer

19. In c# Anonymous type is created  ?

 A.Using the new keyword  
 B. It is a reference type data type
 C. Property, event and indexer cannot be an anonymous types.
 D. All of them

... Answer is D)
All of them
 

 

20. Enum is mainly used to assign the names or string values to integral constants which is a ? 

 A.Value Type 
 B. Reference Type  
 C. Both as per situation
 D. None of them

... Answer is A)
Value Type

Thank You

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