C# Control Structures Quiz

What does the 'if' statement do in C#?

• Declares an array

• Specifies a block of code to be executed if a condition is false

• Specifies a block of code to be executed if a condition is true

• Loops through a block of code

Which operator is used to check if two values are equal in C#?

• >

• !=

• ==

• <=

What is the purpose of the 'else' statement?

• To specify a block of code if the condition is true

• To specify a block of code if the condition is false

• To loop through elements

• To declare an array

What does the 'switch' statement do?

• Selects one of many code blocks to be executed

• Checks for equality

• Loops through a block of code

• Declares a variable

What happens when the 'break' keyword is encountered in a switch statement?

• It continues to the next case

• It exits the switch block

• It loops back to the start

• It executes the default case

Which loop executes at least once before checking the condition?

• for loop

• foreach loop

• while loop

• do/while loop

What is the purpose of the 'continue' statement in a loop?

• To exit the loop

• To skip the current iteration and continue with the next

• To declare an array

• To check a condition

How do you declare an array in C#?

• array[] int;

• array int[];

• int[] array;

• int array[];

What does the Length property of an array return?

• The type of the array

• The first element of the array

• The number of elements in the array

• The last element of the array

What is the purpose of the 'default' keyword in a switch statement?

• To check a condition

• To declare an array

• To exit the switch block

• To specify a block of code to run if no case matches