SELECTION IN c++

Front

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

Back

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

Front

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

Back

1

Front

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

Back

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

Front

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

Back

Yes

Front

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

Back

The control will fall through to the next case

Front

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

Back

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

Front

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

Back

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

Front

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

Back

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

Front

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

Back

Yes

Front

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

Back

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