C# Programming Quiz

What is the syntax to declare a variable in C#?

• myVariable = int;

• int myVariable;

• var myVariable;

• myVariable = int;

Which data type is used to store whole numbers in C#?

• boolean

• float

• string

• int

What is the purpose of control structures in C#?

• The purpose of control structures in C# is to randomly change the output of a program.

• The purpose of control structures in C# is to slow down the execution of a program.

• The purpose of control structures in C# is to add unnecessary complexity to the code.

• The purpose of control structures in C# is to control the flow of execution in a program.

Which control structure is used to execute a block of code repeatedly?

• if-else

• switch

• for loop

• loop

What is an array in C#?

• A data structure that stores a variable-size sequence of elements of different types.

• A data structure that stores a fixed-size sequence of elements of the same type.

• A programming language used for web development.

• A function that performs a specific task in C#.

How do you access elements in an array in C#?

• myArray[index]

• myArray{index}

• myArray(index)

• myArray.index

What is object-oriented programming (OOP) in C#?

• Object-oriented programming (OOP) in C# is a programming technique used for writing efficient algorithms.

• Object-oriented programming (OOP) in C# is a programming language used for creating graphical user interfaces.

• Object-oriented programming (OOP) in C# is a programming paradigm that allows for the creation of objects that contain both data and methods.

• Object-oriented programming (OOP) in C# is a programming concept that focuses on procedural programming.

What are the four pillars of OOP in C#?

• encapsulation, inheritance, polymorphism, and encapsulation

• encapsulation, inheritance, polymorphism, and abstraction

• encapsulation, inheritance, polymorphism, and encapsulation

• encapsulation, inheritance, polymorphism, and encapsulation

What is exception handling in C#?

• Exception handling in C# is a way to ignore runtime errors and continue program execution.

• Exception handling in C# is a feature that allows the programmer to intentionally introduce errors in the program.

• Exception handling in C# is a technique to prevent runtime errors from occurring in a program.

• Exception handling in C# is a mechanism to handle runtime errors or exceptions that occur during the execution of a program.

How do you handle exceptions in C#?

• Using try-catch blocks

• Using switch statements

• Using for loops

• Using if-else statements