LongFunction represents a function that accepts a long-valued argument and produces a result. This is the long-consuming primitive specialization for Function.
The following example shows how to use LongFunction
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import java.util.function.LongFunction; //ww w.j a va 2 s. c om public class Main { public static void main(String[] args) { LongFunction<String> i = (l) -> Long.toString(l); System.out.println(i.apply(Long.MAX_VALUE)); } }
The code above generates the following result.