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C# Programming: Switch Case Statements

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Questions and Answers

What is the main purpose of a switch-case statement?

To handle exceptions in C# programming

To declare and initialize variables in C# programming

To provide an alternative to if-else statement

To provide an efficient way to transfer the execution based on the value of the expression (correct)

What type of expression can be used in a switch statement?

Only boolean type

Enumeration or string type (correct)

Only integer type

Only string type

What happens if there are duplicate case values in a switch statement?

The program crashes at runtime

Duplicate case values are not allowed (correct)

The duplicate case values are automatically removed

The program throws a compilation error

When is the break statement used in a switch statement?

To terminate the current sequence and exit the switch statement Signup and view all the answers

Is the default statement mandatory in a switch statement?

No, it is optional Signup and view all the answers

What happens if the data type of the variable in the switch and value of a case are not of the same type?

It is not allowed and results in a compilation error Signup and view all the answers

Why do we use switch statements instead of if-else statements?

Switch statements offer better performance in handling a larger number of possible conditions Signup and view all the answers

What is the purpose of the break keyword in a switch statement?

It signifies the end of the switch block and stops further execution Signup and view all the answers

What does the default keyword in a switch statement do?

It specifies some code to run if there is no case match Signup and view all the answers

What is the main advantage of using switch statements over if-else statements?

Switch statements result in faster execution for multiple conditions Signup and view all the answers

When should the break keyword be used in a switch statement?

When there is no need to execute additional code after a case match Signup and view all the answers

What does the default keyword signify in a switch statement?

A predefined action when no specific case matches Signup and view all the answers