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並前往https://stackoverflow.com/questions/29537639/check-if-returned-value-is-not-null-and-if-so-assign-it-in-one-line-with-one-m

Check if returned value is not null and if so assign it, in one ...

Java lacks coalesce operator, so your code with an explicit temporary is your best ... Then you can call getChicken() and if it would return ...

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