SELECTION IN c++

What is the syntax for an if-else statement in C++?

• if (condition) { // code to be executed if the condition is true } else { // code to be executed if the condition is false }

• if (condition) { // code to be executed if the condition is true } else { // code to be executed if the condition is false }

• if (condition) { // code to be executed if the condition is true } else { // code to be executed if the condition is false }

• if (condition) { // code to be executed if the condition is true } else { // code to be executed if the condition is false }

How many conditions can be checked in a single if-else statement?

• 1

• 2

• 3

• 4

What is the purpose of the switch-case statement in C++?

• It allows for multi-way branching and can be more efficient than using multiple if-else statements.

• It is used for looping in C++

• It is used for defining classes in C++

• It is used for handling exceptions in C++

Can a switch-case statement have multiple cases with the same value?

• Not sure

• Maybe

• No

• Yes

What happens if a break statement is omitted in a switch-case statement?

• The switch-case statement will terminate abruptly

• The default case will be executed automatically

• The control will fall through to the next case

• The program will throw a compilation error

In a switch-case statement, what is the purpose of the default case?

• To handle situations where none of the specified cases are met.

• To execute before any other case

• To handle only specific cases

• To skip the switch statement

What is the difference between if-else and switch-case statements?

• if-else statements can handle multiple conditions, while switch-case statements can only handle one condition.

• if-else statements are used for loops, while switch-case statements are used for conditional statements.

• if-else statements are based on boolean expressions, while switch-case statements are based on specific values or expressions.

• if-else statements are more efficient than switch-case statements due to their structure.

How does the compiler determine which case to execute in a switch-case statement?

• By counting the number of vowels in each case

• By flipping a coin

• By choosing the case with the longest keyword

• By evaluating the value of the expression provided in the switch statement and comparing it to the constant values specified in each case.

Can you nest if-else statements within each other in C++?

• Only in Python

• Sometimes

• No

• Yes

When should you use a switch-case statement instead of multiple if-else statements?

• When you have multiple expressions to compare against a single value.

• When you want to make the code more readable and maintainable.

• When you want to introduce unnecessary complexity.

• When you have a single expression to compare against multiple values.