C#.NET

C#.NET

Question: What is the extension of a C# source code file?
A
.cs

B
.csharp

C
.C#

D
.cpl

Note: Not available
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Question: What keyword is used to declare a constant in C#?
A
static

B
const

C
final

D
readonly

Note: Not available
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Question: Which of the following statements is true about interfaces in C#?
A
An interface can contain implementation of methods.

B
A class can implement multiple interfaces.

C
Interfaces can inherit from classes.

D
An interface cannot be instantiated.

Note: Not available
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Question: What is the default value of a boolean variable in C#?
A
true

B
false

C
0

D
1

Note: Not available
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Question: Which of the following is used to handle exceptions in C#?
A
try-catch

B
handle-exception

C
exception-try

D
catch-throw

Note: Not available
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Question: What does the 'static' keyword signify in C#?
A
The member belongs to an instance of the class.

B
The member can only be accessed by the class itself.

C
The member can be accessed without creating an instance of the class.

D
The member can be overridden in derived classes.

Note: Not available
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Question: Which of the following is NOT a built-in access modifier in C#?
A
public

B
private

C
protected

D
internalprotected

Note: Not available
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Question: What does the 'override' keyword do in C#?
A
It creates a new method with the same name in a derived class.

B
It replaces a method in the base class with a new implementation.

C
It prevents a method from being overridden in derived classes.

D
It indicates a method is static.

Note: Not available
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Question: In C#, which collection class is used to store key-value pairs?
A
List

B
Array

C
Dictionary

D
Queue

Note: Not available
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Question: What is the output of the following code?
Console.WriteLine(5 + 10 + "15");
A
15

B
1515

C
15 15

D
20

Note: In C#, when you use the + operator, if either operand is a string, it performs string concatenation. Here, 5 + 10 evaluates to 15, and then "15" is concatenated, resulting in "1515".
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Question: What is the extension of a C# source code file?

Question: What keyword is used to declare a constant in C#?

Question: Which of the following statements is true about interfaces in C#?

Question: What is the default value of a boolean variable in C#?

Question: Which of the following is used to handle exceptions in C#?

Question: What does the 'static' keyword signify in C#?

Question: Which of the following is NOT a built-in access modifier in C#?

Question: What does the 'override' keyword do in C#?

Question: In C#, which collection class is used to store key-value pairs?

Question: What is the output of the following code?
Console.WriteLine(5 + 10 + "15");

Question: What is the extension of a C# source code file?

Question: What keyword is used to declare a constant in C#?

Question: Which of the following statements is true about interfaces in C#?

Question: What is the default value of a boolean variable in C#?

Question: Which of the following is used to handle exceptions in C#?

Question: What does the 'static' keyword signify in C#?

Question: Which of the following is NOT a built-in access modifier in C#?

Question: What does the 'override' keyword do in C#?

Question: In C#, which collection class is used to store key-value pairs?

Question: What is the output of the following code?Console.WriteLine(5 + 10 + "15");

Question: What is the output of the following code?
Console.WriteLine(5 + 10 + "15");