C if else and switch

Question

Please anyone tell me when use if else and when use switch I am quite not sure@_@

Answer 1

A switch statement is usually more efficient than a set of nested ifs. Check the Testing Expression: An if-then-else statement can test expressions based on ranges of values or conditions, whereas a switch statement tests expressions based only on a single integer, enumerated value, or String object. ...

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Answer 2

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So see that Switch statement in C tests the value of a variable and compares it with multiple cases. Once the case match is found, a block of statements associated with that particular case is executed.

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