src/share/classes/java/util/function/DoubleBinaryOperator.java
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rev 6137 : 8004015: Add Extends and deaults for basic functional interface types
Summary: Adds the appropriate extends and default methods for core functional interfaces used by the JSR335 libraries.
Reviewed-by: duke
@@ -27,14 +27,14 @@
/**
* An operation on two {@code double} operands yielding a {@code double} result.
*
* @since 1.8
*/
-public interface DoubleBinaryOperator /* extends BinaryOperator<Double> */ {
-//
-// @Override
-// public default Double operate(Double left, Double right) { return operateAsDouble((double) left, (double) right); }
+public interface DoubleBinaryOperator extends BinaryOperator<Double> {
+
+ @Override
+ public default Double operate(Double left, Double right) { return operateAsDouble((double) left, (double) right); }
/**
* Returns the {@code double} result of the operation upon the
* {@code double} operands. The parameters are named {@code left} and
* {@code right} for operations where the order of parameters matters.