--- old/src/share/classes/java/util/function/DoubleBinaryOperator.java	2012-11-26 17:52:59.955299912 -0800
+++ new/src/share/classes/java/util/function/DoubleBinaryOperator.java	2012-11-26 17:52:59.747299901 -0800
@@ -29,10 +29,10 @@
  *
  * @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
--- old/src/share/classes/java/util/function/DoubleBlock.java	2012-11-26 17:53:00.619299944 -0800
+++ new/src/share/classes/java/util/function/DoubleBlock.java	2012-11-26 17:53:00.411299933 -0800
@@ -33,7 +33,10 @@
  *
  * @since 1.8
  */
-public interface DoubleBlock {
+public interface DoubleBlock extends Block<Double> {
+
+    @Override
+    public default void accept(Double t) { accept((double) t); }
 
     /**
      * Use the {@code double} input value in an operation which may modify
--- old/src/share/classes/java/util/function/DoubleFunction.java	2012-11-26 17:53:01.279299975 -0800
+++ new/src/share/classes/java/util/function/DoubleFunction.java	2012-11-26 17:53:01.071299966 -0800
@@ -32,7 +32,10 @@
  *
  * @since 1.8
  */
-public interface DoubleFunction<T> {
+public interface DoubleFunction<T> extends Function<T,Double> {
+
+    @Override
+    public default Double apply(T t) { return applyAsDouble(t); }
 
     /**
      * Apply a function to the input object yielding an appropriate
--- old/src/share/classes/java/util/function/DoubleSupplier.java	2012-11-26 17:53:01.935300008 -0800
+++ new/src/share/classes/java/util/function/DoubleSupplier.java	2012-11-26 17:53:01.731299997 -0800
@@ -32,7 +32,10 @@
  *
  * @since 1.8
  */
-public interface DoubleSupplier {
+public interface DoubleSupplier extends Supplier<Double> {
+
+    @Override
+    public default Double get() { return getAsDouble(); }
 
     /**
      * Returns a {@code double} value.
--- old/src/share/classes/java/util/function/DoubleUnaryOperator.java	2012-11-26 17:53:02.595300040 -0800
+++ new/src/share/classes/java/util/function/DoubleUnaryOperator.java	2012-11-26 17:53:02.391300029 -0800
@@ -30,7 +30,10 @@
  *
  * @since 1.8
  */
-public interface DoubleUnaryOperator {
+public interface DoubleUnaryOperator extends UnaryOperator<Double> {
+
+    @Override
+    public default Double operate(Double operand) { return operateAsDouble((double) operand); }
 
     /**
      * Returns the {@code double} result of the operation upon the
--- old/src/share/classes/java/util/function/IntBinaryOperator.java	2012-11-26 17:53:03.263300072 -0800
+++ new/src/share/classes/java/util/function/IntBinaryOperator.java	2012-11-26 17:53:03.055300061 -0800
@@ -29,7 +29,10 @@
  *
  * @since 1.8
  */
-public interface IntBinaryOperator {
+public interface IntBinaryOperator extends BinaryOperator<Integer> {
+
+    @Override
+    public default Integer operate(Integer left, Integer right) { return operateAsInt((int) left, (int) right); }
 
     /**
      * Returns the {@code int} result of the operation upon the {@code int}
--- old/src/share/classes/java/util/function/IntBlock.java	2012-11-26 17:53:03.927300104 -0800
+++ new/src/share/classes/java/util/function/IntBlock.java	2012-11-26 17:53:03.719300094 -0800
@@ -33,7 +33,12 @@
  *
  * @since 1.8
  */
-public interface IntBlock {
+public interface IntBlock extends Block<Integer> {
+
+    @Override
+    public default void accept(Integer t) {
+        accept((int) t);
+    }
 
     /**
      * Use the {@code int} input value in an operation which may modify external
--- old/src/share/classes/java/util/function/IntFunction.java	2012-11-26 17:53:04.587300135 -0800
+++ new/src/share/classes/java/util/function/IntFunction.java	2012-11-26 17:53:04.383300127 -0800
@@ -32,7 +32,10 @@
  *
  * @since 1.8
  */
-public interface IntFunction<T> {
+public interface IntFunction<T> extends Function<T,Integer> {
+
+    @Override
+    public default Integer apply(T t) { return applyAsInt(t); }
 
     /**
      * Apply a function to the input object yielding an appropriate {@code int}
--- old/src/share/classes/java/util/function/IntSupplier.java	2012-11-26 17:53:05.247300168 -0800
+++ new/src/share/classes/java/util/function/IntSupplier.java	2012-11-26 17:53:05.043300158 -0800
@@ -32,7 +32,10 @@
  *
  * @since 1.8
  */
-public interface IntSupplier {
+public interface IntSupplier extends Supplier<Integer> {
+
+    @Override
+    public default Integer get() { return getAsInt(); }
 
     /**
      * Returns an {@code int} value.
--- old/src/share/classes/java/util/function/IntUnaryOperator.java	2012-11-26 17:53:05.911300201 -0800
+++ new/src/share/classes/java/util/function/IntUnaryOperator.java	2012-11-26 17:53:05.703300189 -0800
@@ -29,7 +29,12 @@
  *
  * @since 1.8
  */
-public interface IntUnaryOperator {
+public interface IntUnaryOperator extends UnaryOperator<Integer> {
+
+    @Override
+    public default Integer operate(Integer operand) {
+        return operateAsInt((int) operand);
+    }
 
     /**
      * Returns the {@code int} result of the operation upon the {@code int}
--- old/src/share/classes/java/util/function/LongBinaryOperator.java	2012-11-26 17:53:06.575300233 -0800
+++ new/src/share/classes/java/util/function/LongBinaryOperator.java	2012-11-26 17:53:06.363300222 -0800
@@ -29,7 +29,10 @@
  *
  * @since 1.8
  */
-public interface LongBinaryOperator {
+public interface LongBinaryOperator extends BinaryOperator<Long> {
+
+    @Override
+    public default Long operate(Long left, Long right) { return operateAsLong((long) left, (long) right); }
 
     /**
      * Returns the {@code long} result of the operation upon the {@code long}
--- old/src/share/classes/java/util/function/LongBlock.java	2012-11-26 17:53:07.239300265 -0800
+++ new/src/share/classes/java/util/function/LongBlock.java	2012-11-26 17:53:07.031300255 -0800
@@ -33,7 +33,10 @@
  *
  * @since 1.8
  */
-public interface LongBlock {
+public interface LongBlock extends Block<Long> {
+
+    @Override
+    public default void accept(Long t) { accept((long) t); }
 
     /**
      * Use the {@code long} input value in an operation which may modify
--- old/src/share/classes/java/util/function/LongFunction.java	2012-11-26 17:53:07.899300296 -0800
+++ new/src/share/classes/java/util/function/LongFunction.java	2012-11-26 17:53:07.695300287 -0800
@@ -32,7 +32,10 @@
  *
  * @since 1.8
  */
-public interface LongFunction<T> {
+public interface LongFunction<T> extends Function<T, Long> {
+
+    @Override
+    public default Long apply(T t) { return applyAsLong(t); }
 
     /**
      * Apply a function to the input object yielding an appropriate {@code long}
--- old/src/share/classes/java/util/function/LongSupplier.java	2012-11-26 17:53:08.563300328 -0800
+++ new/src/share/classes/java/util/function/LongSupplier.java	2012-11-26 17:53:08.355300319 -0800
@@ -32,7 +32,10 @@
  *
  * @since 1.8
  */
-public interface LongSupplier {
+public interface LongSupplier extends Supplier<Long> {
+
+    @Override
+    public default Long get() { return getAsLong(); }
 
     /**
      * Returns a {@code long} value.
--- old/src/share/classes/java/util/function/LongUnaryOperator.java	2012-11-26 17:53:09.223300361 -0800
+++ new/src/share/classes/java/util/function/LongUnaryOperator.java	2012-11-26 17:53:09.015300350 -0800
@@ -29,7 +29,10 @@
  *
  * @since 1.8
  */
-public interface LongUnaryOperator {
+public interface LongUnaryOperator extends UnaryOperator<Long> {
+
+    @Override
+    public default Long operate(Long operand) { return operateAsLong((long) operand); }
 
     /**
      * Returns the {@code long} result of the operation upon the {@code long}
--- old/src/share/classes/java/util/function/UnaryOperator.java	2012-11-26 17:53:09.883300393 -0800
+++ new/src/share/classes/java/util/function/UnaryOperator.java	2012-11-26 17:53:09.675300383 -0800
@@ -32,7 +32,10 @@
  *
  * @since 1.8
  */
-public interface UnaryOperator<T> {
+public interface UnaryOperator<T> extends Function<T, T> {
+
+    @Override
+    public default T apply(T operand) { return operate(operand); }
 
     /**
      * Returns the result of the operation upon the operand.