C# Properties and Struct vs. Class Quiz

Play an AI-generated podcast conversation about this lesson

What does the null coalescing operator (`??`) return if the left operand is null?

It returns an error message

It returns the left operand

It returns a null reference exception

It returns the right operand (correct)

When is the null conditional operator (`?.`) used?

To check if an object is null or not

To divide two numbers

To access object members only if the object is not null (correct)

To concatenate strings

Which data type in C# is more suitable for financial calculations or where precision is critical?

double

decimal (correct)

float

int

What does `double` represent in C#?

A floating-point type with double precision Signup and view all the answers

Why is understanding fundamental concepts and syntax in C# programming important?

To become proficient in C# development Signup and view all the answers

What is the purpose of using the 'readonly' keyword in C# properties?

To create read-only properties Signup and view all the answers

In C#, what is the main difference between structs and classes?

Structs are always immutable, while classes are mutable Signup and view all the answers

When declaring a nullable type in C#, what symbol is appended to the type name?

? Signup and view all the answers

What does the 'ref' keyword allow in C# programming?

To pass parameters by reference for modification Signup and view all the answers

Which keyword is used in C# when a method is expected to assign a value to a variable?

'out' Signup and view all the answers

What does it mean when a variable is declared with an auto-implemented property in C#?

The compiler generates the backing field automatically Signup and view all the answers

C# Properties and Struct vs. Class Quiz

Podcast Beta

Questions and Answers

What does the null coalescing operator (`??`) return if the left operand is null?

When is the null conditional operator (`?.`) used?

Which data type in C# is more suitable for financial calculations or where precision is critical?

What does `double` represent in C#?

Why is understanding fundamental concepts and syntax in C# programming important?

What is the purpose of using the 'readonly' keyword in C# properties?

In C#, what is the main difference between structs and classes?

When declaring a nullable type in C#, what symbol is appended to the type name?

What does the 'ref' keyword allow in C# programming?

Which keyword is used in C# when a method is expected to assign a value to a variable?

What does it mean when a variable is declared with an auto-implemented property in C#?

More Quizzes Like This

Fabrics and Their Properties

Lubricants and Their Properties Quiz

Metals Properties Quiz

Thermodynamics Properties and Processes

Upgrade to continue

C# Properties and Struct vs. Class Quiz

Podcast Beta

Questions and Answers

What does the null coalescing operator (??) return if the left operand is null?

When is the null conditional operator (?.) used?

Which data type in C# is more suitable for financial calculations or where precision is critical?

What does double represent in C#?

Why is understanding fundamental concepts and syntax in C# programming important?

What is the purpose of using the 'readonly' keyword in C# properties?

In C#, what is the main difference between structs and classes?

When declaring a nullable type in C#, what symbol is appended to the type name?

What does the 'ref' keyword allow in C# programming?

Which keyword is used in C# when a method is expected to assign a value to a variable?

What does it mean when a variable is declared with an auto-implemented property in C#?

More Quizzes Like This

Fabrics and Their Properties

Lubricants and Their Properties Quiz

Metals Properties Quiz

Thermodynamics Properties and Processes

What does the null coalescing operator (`??`) return if the left operand is null?

When is the null conditional operator (`?.`) used?

What does `double` represent in C#?