Difference between if-elseif-else and switch case. in table form
Question
Difference between if-elseif-else and switch case. in table form
Solution
| Criteria | if-elseif-else | switch-case |
|---|---|---|
| Condition | It can test for any type of condition, including ranges and more complex expressions. | It can only test for equality (i.e., it checks if a variable is equal to different values). |
| Flexibility | It is more flexible as it can evaluate different types of conditions. | It is less flexible as it can only evaluate whether a variable equals certain values. |
| Readability | It can become less readable when there are many conditions. | It is more readable when there are many conditions, as it organizes the conditions in a more structured way. |
| Performance | It can be slower, as it evaluates each condition sequentially until it finds one that is true. | It can be faster, as it uses a jump table internally for direct access to the code to execute. |
| Default | It doesn't have a built-in default clause, but you can achieve this with an else statement at the end. | It has a built-in default clause, which will be executed if none of the cases match. |
| Break | It doesn't require a break statement to exit the control structure once a condition is met. | It requires a break statement to exit the control structure once a case is met, otherwise, it will continue to execute the following cases. |
| Use Case | It is better for testing a variety of conditions, not just equality. | It is better for menu-like choices where a variable can equal a set number of values. |
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