diff -r 2727163b5df5 -r 890a7ed97f6c jdk/src/share/classes/java/util/function/DoublePredicate.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/java/util/function/DoublePredicate.java	Tue Feb 19 11:56:49 2013 -0800
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2010, 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;
+
+import java.util.Objects;
+
+/**
+ * Determines if the {@code double} input value matches some criteria. This is
+ * the {@code double}-consuming primitive type specialization of
+ * {@link Predicate}.
+ *
+ * @see Predicate
+ * @since 1.8
+ */
+@FunctionalInterface
+public interface DoublePredicate {
+
+    /**
+     * Returns {@code true} if the input value matches some criteria.
+     *
+     * @param value the value to be tested.
+     * @return {@code true} if the input value matches some criteria, otherwise
+     * {@code false}.
+     */
+    public boolean test(double value);
+
+    /**
+     * Returns a predicate which evaluates to {@code true} only if this
+     * predicate and the provided predicate both evaluate to {@code true}. If
+     * this predicate returns {@code false} then the remaining predicate is not
+     * evaluated.
+     *
+     * @param p a predicate which will be logically-ANDed with this predicate.
+     * @return a new predicate which returns {@code true} only if both
+     * predicates return {@code true}.
+     */
+    public default DoublePredicate and(DoublePredicate p) {
+        Objects.requireNonNull(p);
+        return (value) -> test(value) && p.test(value);
+    }
+
+    /**
+     * Returns a predicate which negates the result of this predicate.
+     *
+     * @return a new predicate who's result is always the opposite of this
+     * predicate.
+     */
+    public default DoublePredicate negate() {
+        return (value) -> !test(value);
+    }
+
+    /**
+     * Returns a predicate which evaluates to {@code true} if either this
+     * predicate or the provided predicate evaluates to {@code true}. If this
+     * predicate returns {@code true} then the remaining predicate is not
+     * evaluated.
+     *
+     * @param p a predicate which will be logically-ANDed with this predicate.
+     * @return a new predicate which returns {@code true} if either predicate
+     * returns {@code true}.
+     */
+    public default DoublePredicate or(DoublePredicate p) {
+        Objects.requireNonNull(p);
+        return (value) -> test(value) || p.test(value);
+    }
+
+    /**
+     * Returns a predicate that evaluates to {@code true} if both or neither of
+     * the component predicates evaluate to {@code true}.
+     *
+     * @param p a predicate which will be logically-XORed with this predicate.
+     * @return a predicate that evaluates to {@code true} if all or none of the
+     * component predicates evaluate to {@code true}.
+     */
+    public default DoublePredicate xor(DoublePredicate p) {
+        Objects.requireNonNull(p);
+        return (value) -> test(value) ^ p.test(value);
+    }
+}