L6

Question 1

What does an if statement do in C#?

Answer 1

Executes code if the condition is true.

Question 2

How does a while loop work?

Answer 2

Repeats code as long as the condition is true.

Question 3

What is the difference between a while loop and a do-while loop?

Answer 3

A do-while loop executes the body at least once before checking the condition.

Question 4

How does a for loop differ from a while loop?

Answer 4

A for loop is used when the number of iterations is known, with initialization, condition, and increment/decrement in a single line.

Question 5

What does the break statement do in a loop?

Answer 5

It exits the loop immediately.

Question 6

What does the continue statement do in a loop?

Answer 6

Skips the current iteration and proceeds to the next one.

Question 7

What is the purpose of a foreach loop?

Answer 7

Iterates over each element in a collection or array.

Question 8

What is the structure of a switch-case statement?

Answer 8

Evaluates a variable and executes code based on matching cases:

switch (variable) {
case value1:
// Code
break;
default:
// Code
break;
}

Question 9

When should nested loops be used?

Answer 9

When multi-level iteration over data is needed, such as iterating through rows and columns in a table.

Question 10

What happens if the condition in a while loop is false initially?

Answer 10

The loop body is never executed.