11.
Which of the following statements are correct about a namespace used in C#.NET?
Classes must belong to a namespace, whereas structures need not.
Every class, struct, enum, delegate and interlace has to belong to some or the other namespace.
All elements of the namespace have to belong to one file.
If not mentioned, a namespace takes the name of the current project.
The namespace should be imported to be able to use the elements in it.
A. 1, 3
B. 2, 4, 5
C. 3, 5
D. 4 only
Answer & Explanation
Answer: Option B
Explanation:
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12.
Which of the following CANNOT belong to a C#.NET Namespace?
A. class B. struct
C. enum D. Data
E. interface
Answer & Explanation
Answer: Option D
Explanation:
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13.
Which of the following statements is correct about a namespace used in C#.NET?
A. Nested namespaces are not allowed.
B. Importing outer namespace imports inner namespace.
C. Nested namespaces are allowed.
D. If nested, the namespaces cannot be split across files.
Answer & Explanation
Answer: Option C
Explanation:
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14.
Which of the following C#.NET code snippets will correctly print “Hello C#.NET”?
A.
import System;
namespace IndiabixConsoleApplication
{
class MyProgram
{
static void Main(string[] args)
{
Console.WriteLine(“Hello C#.NET”);
}
}
}
B.
using System;
namespace IndiabixConsoleApplication
{
class MyProgram
{
static void Main(string[ ] args)
{
WriteLine(“Hello C#.NET”);
}
}
}
C.
using System.Console;
namespace IndiabixConsoleApplication
{
class MyProgram
{
static void Main (string[ ] args)
{
WriteLine(“Hello C#.NET”);
}
}
}
D.
using System;
namespace IndiabixConsoleApplication
{
class MyProgram
{
static void Main(string[] args)
{
Console.WriteLine(“Hello C#.NET”);
}
}
}
Answer & Explanation
Answer: Option D
Explanation:
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15.
If ListBox is class present in System.Windows.Forms namespace, then which of the following statements are the correct way to create an object of ListBox Class?
using System.Windows.Forms;
ListBox lb = new ListBox();
using LBControl = System.Windows.Forms;
LBControl lb = new LBControl();
System.Windows.Forms.ListBox lb = new System.Windows.Forms.ListBox();
using LBControl lb = new System.Windows.Forms.ListBox;
using LBControl = System.Windows.Forms.ListBox;
LBControl lb = new LBControl();
A. 1, 3
B. 2, 4, 5
C. 1, 3, 5
D. 5 only
Answer & Explanation
Answer: Option C
Explanation:
No answer description available for this question.