The answer
A switch statement is a control flow mechanism that tests a single variable for equality against a list of predefined cases.
Using Switch Cases vs If-Else Chains
What is a switch statement?
More FAQs in Using Switch Cases vs If-Else Chains
Yes, in compiled languages. Compilers often optimize switch statements using Jump Tables, making them O(1), whereas an if-else chain is O(N).
Generally, no. Standard switch statements check for exact equality. For ranges, you must use an if-else chain.
The program will experience 'fall-through'. It will execute the matched case and continue executing all subsequent cases until a break is encountered.
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