C# Programming - Enumerations

Exercise :: Enumerations - General Questions

  • Enumerations - General Questions
6. 

Which of the following will be the correct output for the C#.NET code snippet given below?

enum color : int
{
    red = -3,
    green,
    blue 
}
Console.Write( (int) color.red + ", "); 
Console.Write( (int) color.green + ", "); 
Console.Write( (int) color.blue );

A. -3, -2, -1
B. -3, 0, 1
C. 0, 1, 2
D. red, green, blue
E. color.red, color.green, color.blue

Answer: Option A

Explanation:

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7. 

An enum that is declared inside a class, struct, namespace or interface is treated as public.

A. True
B. False

Answer: Option A

Explanation:

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8. 

Which of the following statements is correct about the C#.NET code snippet given below?

enum per
{
    married, 
    unmarried, 
    divorced, 
    spinster
}
per.married = 10; 
Console.WriteLine(per.unmarried);

A. The program will output a value 11.
B. The program will output a value 1.
C. The program will output a value 2.
D. The program will report an error since an enum element cannot be assigned a value outside the enum declaration.
E. The enum elements must be declared private.

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

9. 

Which of the following is the correct output for the C#.NET code snippet given below?

enum color: int
{ 
    red,
    green, 
    blue = 5, 
    cyan,
    magenta = 10, 
    yellow 
}
Console.Write( (int) color.green + ", " ); 
Console.Write( (int) color.yellow );

A. 2, 11
B. 1, 11
C. 2, 6
D. 1, 5
E. None of the above

Answer: Option B

Explanation:

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10. 

An enum can be declared inside a class, struct, namespace or interface.

A. True
B. False

Answer: Option A

Explanation:

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