The answer to that is super simple, though, as it is fully determined by what you want to check for the switch variable. Switch statements are a form of conditional statement used to control the flow of a program. ![]() ![]() ▚Labels vs PatternsĪfter that excursion into switch vs if, let's get back to when to use what form of switch. Switch Statement in Java The program starts by printing out the available options The program prompts the user to enter their choice by printing out The. It communicates that much more clearly than an if- else- if chain and so I hope to some day see it being used in all such situations. Here's a bunch of possibilities for this value - pick one and compute. Learn the syntax, expression, cases, and default keyword of the switch statement in Java. With switch becoming more powerful, my guess is that it will start to eat into the use cases for longer if- else- if chains.Īnd it makes sense because that's the core tenet of switch: They may contain case L -> labels that eliminate the. ![]() translate `number`, then `callMethod` with it // as switch statement switch (number ) Īgain, this could be an if- else- if chain instead, but again I think the switch comes out ahead (for the same reasons as above). Like all expressions, switch expressions evaluate to a single value and can be used in statements.
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