gs gs108 Namespaces, Preprocessors and Networking - Fundamentals of Namespaces - Quiz No.1
gs gs108 CSharp Quiz
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Question 1: Which of the following is not a namespace in the .NET Framework Class Library?
System.Process
System.Security
System.Threading
System.xml
Question 2: Which is the correct statement about the namespaces in C#.NET?
Nesting of namespaces is permitted, provided all the inner namespaces are declared in the same file
A namespace cannot be tested
There is no limit on the number of levels while nesting namespaces
All of the mentioned
Question 3: Which among the following does not belong to the C#.NET namespace?
class
struct
enum
data
Question 4: Which among the following is a correct statement about namespace used in C#.NET?
Classes must belong to a namespace, whereas structures need not
All elements of the namespace must to belong to one file
If not mentioned, a namespace takes the name of the current project
All of the mentioned
Question 5: Which among the given is not a correct way to call the method Issue() defined in the following C# code snippet?
class Book { public void issue() { /* code */ } } class Journel { public void issue() { /* code */ } } College.Lib.Book b = new College.Lib.Book(); b.issue();Book b = new Book(); b.issue();using College.Lib; Book b = new Book(); b.issue();
All of the mentioned
Question 6: Which among the following statements are not correct about a namespace used in C#.NET?
Nested namespaces are allowed
Importing outer namespaces imports inner namespace
Nested namespaces are allowed
Importing outer namespace does not import inner namespace
Question 7: Which among the following is a .NET namespace?
System.Web
System.Process
System.Drawing2D
System.Drawing3D
Question 8: If a class named csharp is present in namespace n1 as well as in namespace n2, then which of the following is the correct way to use csharp class?
class Program { static void Main(string[] args) { import n1; csharp x = new csharp(); x.fun(); import n2; csharp y = new csharp(); y.fun(); } } import n1; import n2; namespace ConsoleApplication1 { class Program { static void Main(string[] args) { n1.csharp x = new n1.csharp(); x.fun(); import n2; n2.csharp y = new n2.csharp(); y.fun(); } } } class Program { static void Main(string[] args) { using n1; csharp x = new csharp(); x.fun(); using n2; csharp y = new csharp(); y.fun(); } } using n1; using n2; namespace ConsoleApplication1 { class Program { static void Main(string[] args) { n1.csharp x = new n1.csharp(); x.fun(); import n2; n2.csharp y = new n2.csharp(); y.fun(); } } }
Question 9: If ListBox is the class of System.Windows.Forms namespace. Then, the correct way to create an object of ListBox class is?
using System.Windows.Forms; ListBox I = new ListBox();
System.Windows.Forms.ListBox I = new System.Windows.Forms.ListBox();
using LBControl I = new System.Windows.Forms.ListBox;
All of the mentioned
Question 10: Which among the following is the correct statement about the using statement used in C#.NET?
A C#.NET source code file consists of any number of using statement
By using ‘using’ statement it’s possible to create an alias for the namespace but not for the namespace element
It is permitted to define a member at namespace level using alias
Using statement can be placed anywhere in the C#.NET source code file
