Basic, C#.NET

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

B
const

C
final

D
readonly

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

B
false

C
0

D
1

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

B
Array

C
Dictionary

D
Queue

Note: Not available
1. Report
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".
1. Report
Question: Which of the following statements is true regarding the 'this' keyword in C#?
A
It refers to the current object in an instance method.

B
It can be used in static methods.

C
It can refer to a base class.

D
It is used to declare static variables

Note: It refers to the current object in an instance method. Analysis: The this keyword is used within an instance method to refer to the current instance of the class. It cannot be used in static methods since static methods do not belong to any instance.
1. Report

First Prev 1 2 3 Next Last

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: Which of the following statements is true regarding the 'this' keyword in C#?

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: Which of the following statements is true regarding the 'this' keyword in C#?

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