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

*** 27,40 **** /** * 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); } /** * 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. --- 27,40 ---- /** * 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); } /** * 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.