src/share/classes/java/util/function/DoubleSupplier.java

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rev 7675 : 8019840: Spec updates for java.util.function
Reviewed-by: mduigou
Contributed-by: brian.goetz@oracle.com


   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package java.util.function;
  26 
  27 /**
  28  * A supplier of {@code double} values. This is the {@code double}-providing
  29  * primitive specialization of {@link Supplier}.






  30  *
  31  * @see Supplier
  32  * @since 1.8
  33  */
  34 @FunctionalInterface
  35 public interface DoubleSupplier {
  36 
  37     /**
  38      * Returns a {@code double} value.
  39      *
  40      * @return a {@code double} value
  41      */
  42     double getAsDouble();
  43 }


   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package java.util.function;
  26 
  27 /**
  28  * Represents a supplier of {@code double}-valued results.  This is the
  29  * {@code double}-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 #getAsDouble()}.
  36  *
  37  * @see Supplier
  38  * @since 1.8
  39  */
  40 @FunctionalInterface
  41 public interface DoubleSupplier {
  42 
  43     /**
  44      * Gets a result.
  45      *
  46      * @return a result
  47      */
  48     double getAsDouble();
  49 }