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25 package java.util.function;
26 
27 /**
28  * Represents a supplier of {@code long}-valued results.  This is the
29  * {@code long}-producing primitive specialization of {@link Supplier}.
30  *
31  * <p>There is no requirement that a distinct result be returned each
32  * time the supplier is invoked.
33  *
34  * <p>This is a <a href="package-summary.html">functional interface</a>
35  * whose functional method is {@link #getAsLong()}.
36  *
37  * @see Supplier
38  * @since 1.8
39  */
40 @FunctionalInterface
41 public interface LongSupplier {
42 
43     /**
44      * Gets a result.
45      *
46      * @return a result
47      */
getAsLong()48     long getAsLong();
49 }
50