C# Switch Statement Quiz

Welcome to the C# Switch Statement Quiz! This quiz is designed to test your knowledge of how switch statements work in C# and how they compare to if…else if constructs. You’ll explore key concepts such as case statements, the default case, switch expressions, and the use of break, goto, and continue within switch statements. Each question will help reinforce your understanding of how to implement efficient control flow using switch statements in C#.

What is the governing value in a switch statement?

A constant value returned by the switch statement.

The value or expression that is tested against the case constants.

The value that appears in the default case.

The result of all case statements combined.

None

What is the role of a case statement in a C# switch construct?

To declare new variables.

To specify a possible match for the governing value.

To terminate the switch statement.

To handle any unmatched values.

None

What happens when a break statement is used inside a switch case?

It skips the current case and evaluates the next case.

It causes the program to terminate.

It jumps to the default case.

It exits the switch statement, preventing the execution of other cases.

None

What is the purpose of the default case in a switch statement?

To perform an action after every case has been checked.

To declare variables for the switch statement.

To handle situations where no other case matches the governing value.

To ensure that the switch statement runs at least once.

None

How does grouping case statements work in a switch statement?

Each case statement requires its own break statement.

You cannot group case statements in C#.

Multiple case constants can share the same set of statements.

Case statements must be unique and cannot share code.

None

What is the output of the following switch statement if carModel = 'Focus'?

switch (carModel) {
 case 'Patriot': 
 case 'Liberty': 
 carManufacturer = 'Jeep'; 
 break;
 case 'Focus':
 carManufacturer = 'Ford';
 break;
 default: carManufacturer = 'unknown';
 break;
}

‘Jeep’

The code will not compile.

‘Ford’

‘unknown’

None

What does the switch expression syntax in C# allow?

It simplifies the switch statement by using expressions instead of multiple case blocks.

It automatically optimizes the switch statement.

It allows switching between different methods in C#.

It allows you to skip the break statement in a switch.

None

How is the default case represented in a switch expression?

else => default_statement

default => default_statement

_ => default_statement

case default => default_statement

None

What happens if you forget to include a break statement in a switch case?

The program will throw a runtime error.

The switch statement will automatically stop after the first match.

The switch will always jump to the default case.

The next case statement will execute, regardless of whether it matches.

None

10.

What is the purpose of the goto statement in a C# switch construct?

To skip the current case and go to the next one.

To terminate the program.

To jump to another part of the code or the default case.

To prevent the switch statement from executing.

None

11.

Why is using the goto statement generally discouraged in modern C# programming?

It always causes a runtime error.

It makes the code harder to understand and maintain.

It is illegal in object-oriented languages.

It increases the memory usage of the program.

None

12.

What is the effect of using the continue statement in a switch statement that is part of a loop?

It skips the remaining code in the current loop iteration and moves to the next iteration.

It stops the switch statement from executing.

It breaks out of the loop.

It causes an error.

None

13.

What is the main advantage of using a switch expression over a traditional switch statement?

It provides a more concise and readable code structure.

It runs faster than a switch statement.

It can handle more data types than a switch statement.

It eliminates the need for variables.

None

14.

What happens when none of the case values match the governing value in a switch statement, and there is no default case?

The program throws a runtime error.

The switch statement enters an infinite loop.

Nothing happens; the switch statement is skipped.

The first case is executed by default.

None

15.

Which of the following can be used inside a switch statement to jump out of it?

continue

goto

return

break

None