diff -r 2727163b5df5 -r 890a7ed97f6c jdk/src/share/classes/java/util/function/DoubleUnaryOperator.java
--- a/jdk/src/share/classes/java/util/function/DoubleUnaryOperator.java	Tue Feb 19 10:34:26 2013 -0800
+++ b/jdk/src/share/classes/java/util/function/DoubleUnaryOperator.java	Tue Feb 19 11:56:49 2013 -0800
@@ -25,9 +25,11 @@
 package java.util.function;
 
 /**
- * An operation on a single {@code double} operand yielding a {@code double}
- * result.
+ * An operation on a {@code double} operand yielding a {@code double}
+ * result. This is the primitive type specialization of {@link UnaryOperator}
+ * for {@code double}.
  *
+ * @see UnaryOperator
  * @since 1.8
  */
 @FunctionalInterface
@@ -40,5 +42,5 @@
      * @param operand the operand value
      * @return the operation result value
      */
-    public double operateAsDouble(double operand);
+    public double applyAsDouble(double operand);
 }