Java tutorial
/* * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package java.util.function; /** * Represents an operation upon two {@code double}-valued operands and producing a * {@code double}-valued result. This is the primitive type specialization of * {@link BinaryOperator} for {@code double}. * * <p>This is a <a href="package-summary.html">functional interface</a> * whose functional method is {@link #applyAsDouble(double, double)}. * * @see BinaryOperator * @see DoubleUnaryOperator * @since 1.8 */ @FunctionalInterface public interface DoubleBinaryOperator { /** * Applies this operator to the given operands. * * @param left the first operand * @param right the second operand * @return the operator result */ double applyAsDouble(double left, double right); }