Enumerations - General Questions

Which of the following statements are correct about an enum used in C#.NET?

1 An enum can be declared inside a class.

2 An enum can take Single, Double or Decimal values.

3 An enum can be declared outside a class.

4 An enum can be declared inside/outside a namespace.

5 An object can be assigned to an enum variable.

Which of the following statements is correct about an enum used in C#.NET?

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

namespace IndiabixConsoleApplication
(
class Sample
{
private enum color : int
{
red,
green,
blue
}
public void fun()
{
Console.WriteLine(color.red);
}
}
class Program
{
static void Main(string[ ] args)
{
// Use enum color here
}
}
}

1 To define a variable of type enum color in Main(), we should use the statement, color c; .

2 enum color being private it cannot be used in Main().

3 We must declare enum color as public to be able to use it outside the class Sample.

4 To define a variable of type enum color in Main(), we should use the statement, Sample.color c; .

5 We must declare private enum color outside the class to be able to use it in Main().

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

enum color
{
red,
green,
blue
}
color c = color.red;
Type t;
t = c.GetType();
string[ ]str;
str = Enum.GetNames(t);
Console.WriteLine(str[ 0 ]);

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

enum color : byte
{
red = 500,
green = 1000,
blue = 1500
}

Which of the following statements are correct about enum used in C#.NET?

1 Every enum is derived from an Object class.

2 Every enum is a value type.

3 There does not exist a way to print an element of an enum as a string.

4 Every enum is a reference type.

5 The default underlying datatype of an enum is int.

Which of the following CANNOT be used as an underlying datatype for an enum in C#.NET?

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