--- a/src/share/classes/java/util/Collection.java	Mon Apr 22 22:12:25 2013 +0800
+++ b/src/share/classes/java/util/Collection.java	Mon Apr 22 09:40:31 2013 -0700
@@ -378,8 +378,8 @@
 
     /**
      * Removes all of the elements of this collection that satisfy the given
-     * predicate.  RuntimeExceptions and Errors thrown by the predicate are
-     * propagated to the caller.
+     * predicate.  Errors or runtime exceptions thrown by the predicate are
+     * relayed to the caller.
      *
      * @implSpec
      * The default implementation traverses all elements of the collection using

--- a/src/share/classes/java/util/List.java	Mon Apr 22 22:12:25 2013 +0800
+++ b/src/share/classes/java/util/List.java	Mon Apr 22 09:40:31 2013 -0700
@@ -378,8 +378,8 @@
 
     /**
      * Replaces each element of this list with the result of applying the
-     * operator to that element.  RuntimeExceptions and Errors thrown by
-     * the operator are propagated to the caller.
+     * operator to that element.  Errors or runtime exceptions thrown by
+     * the operator are relayed to the caller.
      *
      * @implSpec
      * The default implementation is equivalent to, for this {@code list}:

--- a/src/share/classes/java/util/regex/Pattern.java	Mon Apr 22 22:12:25 2013 +0800
+++ b/src/share/classes/java/util/regex/Pattern.java	Mon Apr 22 09:40:31 2013 -0700
@@ -5750,58 +5750,12 @@
      * Creates a predicate which can be used to match a string.
      *
      * @return  The predicate which can be used for matching on a string
-     * @since       1.8
-     *
+     * @since   1.8
      */
     public Predicate<String> asPredicate(){
-        return s -> this.matcher(s).find();
+        return s -> matcher(s).find();
     }
 
-    private static class MatcherIterator implements Iterator<String> {
-	private final Matcher curMatcher;
-        private final CharSequence input;
-	private int current = 0;
-        private String nextElement = null;
-	private boolean valueReady = false;
-        
-	MatcherIterator(CharSequence in, Matcher m) {
-	    input = in;
-	    curMatcher = m;
-	}
-
-	public void accept(String t) {
-	    valueReady = true;
-	    nextElement = t;
-	}
-	
-	public String next() {
-	    if (!valueReady && !hasNext())
-		throw new NoSuchElementException();
-	    else {
-		valueReady = false;
-		return nextElement;
-	    }
-	}
-
-	public boolean hasNext() {
-	    if (!valueReady) {
-		if (current == input.length()) return false;
-
-		if (curMatcher.find()) {
-		    nextElement = input.subSequence(current, curMatcher.start()).toString();
-		    current = curMatcher.end();
-		    valueReady = true;
-		} else {
-		    nextElement = input.subSequence(current, input.length()).toString();
-		    current = input.length();
-		    valueReady = true;
-		}
-	    }
-	    return true;
-	}
-    }
-
-
     /**
      * Creates a stream from the given input sequence around matches of this 
      * pattern.
@@ -5820,18 +5774,54 @@
      * execution of the terminal stream operation.  Otherwise, the result of the
      * terminal stream operation is undefined.
      *
-     * @see     #split(CharSequence)
-     *
      * @param   input
      *          The character sequence to be split
      *
      * @return  The stream of strings computed by splitting the input
      *          around matches of this pattern
+     * @see     #split(CharSequence)
      * @since   1.8
-     * 
      */
     public Stream<String> splitAsStream(final CharSequence input) {
-	return StreamSupport.stream(Spliterators.spliteratorUnknownSize(new MatcherIterator(input, matcher(input)),
-                                                                        Spliterator.ORDERED | Spliterator.NONNULL));
+        class MatcherIterator implements Iterator<String> {
+            private final Matcher matcher;
+            // The start position of the next sub-sequence of input
+            // when current == input.length there are no more elements
+            private int current = 0;
+            // null if the next element, if any, needs to obtained
+            private String nextElement = null;
+
+            MatcherIterator() {
+                this.matcher = matcher(input);
+            }
+
+            public String next() {
+                if (!hasNext())
+                    throw new NoSuchElementException();
+                else {
+                    String n = nextElement;
+                    nextElement = null;
+                    return n;
+                }
+            }
+
+            public boolean hasNext() {
+                if (nextElement == null) {
+                    if (current == input.length())
+                        return false;
+
+                    if (matcher.find()) {
+                        nextElement = input.subSequence(current, matcher.start()).toString();
+                        current = matcher.end();
+                    } else {
+                        nextElement = input.subSequence(current, input.length()).toString();
+                        current = input.length();
+                    }
+                }
+                return true;
+            }
+        }
+	return StreamSupport.stream(Spliterators.spliteratorUnknownSize(
+                new MatcherIterator(), Spliterator.ORDERED | Spliterator.NONNULL));
     }
 }

--- a/src/share/classes/java/util/stream/AbstractPipeline.java	Mon Apr 22 22:12:25 2013 +0800
+++ b/src/share/classes/java/util/stream/AbstractPipeline.java	Mon Apr 22 09:40:31 2013 -0700
@@ -69,25 +69,27 @@
  * segment.  In all cases, the source data is not consumed until a terminal
  * operation begins.
  *
- * @param <E_IN>  Type of input elements.
- * @param <E_OUT> Type of output elements.
- * @param <S> Type of the subclass implementing {@code BaseStream}
+ * @param <E_IN>  type of input elements
+ * @param <E_OUT> type of output elements
+ * @param <S> type of the subclass implementing {@code BaseStream}
  * @since 1.8
  */
 abstract class AbstractPipeline<E_IN, E_OUT, S extends BaseStream<E_OUT, S>>
         extends PipelineHelper<E_OUT> {
     /**
      * Backlink to the head of the pipeline chain (self if this is the source
-     * stage)
+     * stage).
      */
     private final AbstractPipeline sourceStage;
 
-    /** The "upstream" pipeline, or null if this is the source stage */
+    /**
+     * The "upstream" pipeline, or null if this is the source stage.
+     */
     private final AbstractPipeline previousStage;
 
     /**
      * The operation flags for the intermediate operation represented by this
-     * pipeline object
+     * pipeline object.
      */
     protected final int sourceOrOpFlags;
 
@@ -118,6 +120,7 @@
      * null.
      */
     private Spliterator<?> sourceSpliterator;
+
     /**
      * The source supplier. Only valid for the head pipeline. Before the
      * pipeline is consumed if non-null then {@code sourceSpliterator} must be
@@ -125,7 +128,9 @@
      */
     private Supplier<? extends Spliterator<?>> sourceSupplier;
 
-    /** True if this pipeline has been linked or consumed */
+    /**
+     * True if this pipeline has been linked or consumed
+     */
     private boolean linkedOrConsumed;
 
     /**
@@ -165,9 +170,9 @@
      * Constructor for the head of a stream pipeline.
      *
      * @param source {@code Spliterator} describing the stream source
-     * @param sourceFlags The source flags for the stream source, described in
+     * @param sourceFlags the source flags for the stream source, described in
      * {@link StreamOpFlag}
-     * @param parallel True if the pipeline is parallel
+     * @param parallel {@code true} if the pipeline is parallel
      */
     AbstractPipeline(Spliterator<?> source,
                      int sourceFlags, boolean parallel) {
@@ -190,8 +195,7 @@
      * @param opFlags the operation flags for the new stage, described in
      * {@link StreamOpFlag}
      */
-    AbstractPipeline(AbstractPipeline<?, E_IN, ?> previousStage,
-                     int opFlags) {
+    AbstractPipeline(AbstractPipeline<?, E_IN, ?> previousStage, int opFlags) {
         if (previousStage.linkedOrConsumed)
             throw new IllegalStateException("stream has already been operated upon");
         previousStage.linkedOrConsumed = true;
@@ -212,8 +216,8 @@
     /**
      * Evaluate the pipeline with a terminal operation to produce a result.
      *
+     * @param <R> the type of result
      * @param terminalOp the terminal operation to be applied to the pipeline.
-     * @param <R> the type of result
      * @return the result
      */
     final <R> R evaluate(TerminalOp<E_OUT, R> terminalOp) {
@@ -282,20 +286,26 @@
 
     // BaseStream
 
-    /** Implements {@link BaseStream#sequential()} */
+    /**
+     * Implements {@link BaseStream#sequential()}
+     */
     public final S sequential() {
         sourceStage.parallel = false;
         return (S) this;
     }
 
-    /** Implements {@link BaseStream#parallel()} */
+    /**
+     * Implements {@link BaseStream#parallel()}
+     */
     public final S parallel() {
         sourceStage.parallel = true;
         return (S) this;
     }
 
     // Primitive specialization use co-variant overrides, hence is not final
-    /** Implements {@link BaseStream#spliterator()} */
+    /**
+     * Implements {@link BaseStream#spliterator()}
+     */
     public Spliterator<E_OUT> spliterator() {
         if (linkedOrConsumed)
             throw new IllegalStateException("stream has already been operated upon");
@@ -321,7 +331,9 @@
         }
     }
 
-    /** Implements {@link BaseStream#isParallel()} */
+    /**
+     * Implements {@link BaseStream#isParallel()}
+     */
     public final boolean isParallel() {
         return sourceStage.parallel;
     }
@@ -346,6 +358,7 @@
      * some of these need to be adjusted, as well as adjusting for flags from
      * the terminal operation (such as back-propagating UNORDERED).
      * Need not be called for a sequential execution.
+     *
      * @param terminalFlags Operation flags for the terminal operation
      */
     private void parallelPrepare(int terminalFlags) {
@@ -513,6 +526,7 @@
      * then it's output shape corresponds to the shape of the source.
      * Otherwise, it's output shape corresponds to the output shape of the
      * associated operation.
+     *
      * @return the output shape
      */
     abstract StreamShape getOutputShape();
@@ -556,6 +570,7 @@
      * Traverse the elements of a spliterator compatible with this stream shape,
      * pushing those elements into a sink.   If the sink requests cancellation,
      * no further elements will be pulled or pushed.
+     *
      * @param spliterator the spliterator to pull elements from
      * @param sink the sink to push elements to
      */
@@ -564,11 +579,11 @@
     /**
      * Make a node builder compatible with this stream shape.
      *
-     * @param exactSizeIfKnown if >=0, then a node builder will be created that
-     * has a fixed capacity of at most sizeIfKnown elements. If < 0, then the
-     * node builder has an unfixed capacity. A fixed capacity node builder will
-     * throw exceptions if an element is added after builder has reached
-     * capacity, or is built before the builder has reached capacity.
+     * @param exactSizeIfKnown if {@literal >=0}, then a node builder will be created that
+     * has a fixed capacity of at most sizeIfKnown elements. If {@literal < 0},
+     * then the node builder has an unfixed capacity. A fixed capacity node
+     * builder will throw exceptions if an element is added after builder has
+     * reached capacity, or is built before the builder has reached capacity.
      * @param generator the array generator to be used to create instances of a
      * T[] array. For implementations supporting primitive nodes, this parameter
      * may be ignored.
@@ -586,7 +601,6 @@
      * {@link #opEvaluateParallel(PipelineHelper, java.util.Spliterator, java.util.function.IntFunction)}
      * must be overridden.
      *
-     * @implSpec The default implementation returns {@code false}.
      * @return {@code true} if this operation is stateful
      */
     abstract boolean opIsStateful();
@@ -598,7 +612,7 @@
      * the provided {@code Sink}.
      *
      * @apiNote
-     * <p>The implementation may use the {@code flags} parameter to optimize the
+     * The implementation may use the {@code flags} parameter to optimize the
      * sink wrapping.  For example, if the input is already {@code DISTINCT},
      * the implementation for the {@code Stream#distinct()} method could just
      * return the sink it was passed.
@@ -618,6 +632,7 @@
      * operations.  Only called on stateful operations.  If {@link
      * #opIsStateful()} returns true then implementations must override the
      * default implementation.
+     *
      * @implSpec The default implementation always throw
      * {@code UnsupportedOperationException}.
      *
@@ -640,9 +655,6 @@
      * result here; it is preferable, if possible, to describe the result via a
      * lazily evaluated spliterator.
      *
-     * @param helper the pipeline helper
-     * @param spliterator the source {@code Spliterator}
-     * @return a {@code Spliterator} describing the result of the evaluation
      * @implSpec The default implementation behaves as if:
      * <pre>{@code
      *     return evaluateParallel(helper, i -> (E_OUT[]) new
@@ -650,6 +662,10 @@
      * }</pre>
      * and is suitable for implementations that cannot do better than a full
      * synchronous evaluation.
+     *
+     * @param helper the pipeline helper
+     * @param spliterator the source {@code Spliterator}
+     * @return a {@code Spliterator} describing the result of the evaluation
      */
     <P_IN> Spliterator<E_OUT> opEvaluateParallelLazy(PipelineHelper<E_OUT> helper,
                                                      Spliterator<P_IN> spliterator) {

--- a/src/share/classes/java/util/stream/AbstractSpinedBuffer.java	Mon Apr 22 22:12:25 2013 +0800
+++ b/src/share/classes/java/util/stream/AbstractSpinedBuffer.java	Mon Apr 22 09:40:31 2013 -0700
@@ -31,46 +31,59 @@
  * @since 1.8
  */
 abstract class AbstractSpinedBuffer {
-    /** Minimum power-of-two for the first chunk */
+    /**
+     * Minimum power-of-two for the first chunk.
+     */
     public static final int MIN_CHUNK_POWER = 4;
 
-    /** Minimum size for the first chunk */
+    /**
+     * Minimum size for the first chunk.
+     */
     public static final int MIN_CHUNK_SIZE = 1 << MIN_CHUNK_POWER;
 
-    /** Max power-of-two for chunks */
+    /**
+     * Max power-of-two for chunks.
+     */
     public static final int MAX_CHUNK_POWER = 30;
 
-    /** Minimum array size for array-of-chunks */
+    /**
+     * Minimum array size for array-of-chunks.
+     */
     public static final int MIN_SPINE_SIZE = 8;
 
 
-    /** log2 of the size of the first chunk */
+    /**
+     * log2 of the size of the first chunk.
+     */
     protected final int initialChunkPower;
 
     /**
      * Index of the *next* element to write; may point into, or just outside of,
-     * the current chunk
+     * the current chunk.
      */
     protected int elementIndex;
 
     /**
      * Index of the *current* chunk in the spine array, if the spine array is
-     * non-null
+     * non-null.
      */
     protected int spineIndex;
 
-    /* Count of elements in all prior chunks */
+    /**
+     * Count of elements in all prior chunks.
+     */
     protected long[] priorElementCount;
 
     /**
-     * Construct with an initial capacity of 16
+     * Construct with an initial capacity of 16.
      */
     protected AbstractSpinedBuffer() {
         this.initialChunkPower = MIN_CHUNK_POWER;
     }
 
     /**
-     * Construct with a specified initial capacity
+     * Construct with a specified initial capacity.
+     *
      * @param initialCapacity The minimum expected number of elements
      */
     protected AbstractSpinedBuffer(int initialCapacity) {
@@ -81,19 +94,25 @@
                                           Integer.SIZE - Integer.numberOfLeadingZeros(initialCapacity - 1));
     }
 
-    /** Is the buffer currently empty? */
+    /**
+     * Is the buffer currently empty?
+     */
     public boolean isEmpty() {
         return (spineIndex == 0) && (elementIndex == 0);
     }
 
-    /** How many elements are currently in the buffer? */
+    /**
+     * How many elements are currently in the buffer?
+     */
     public long count() {
         return (spineIndex == 0)
                ? elementIndex
                : priorElementCount[spineIndex] + elementIndex;
     }
 
-    /** How big should the nth chunk be? */
+    /**
+     * How big should the nth chunk be?
+     */
     protected int chunkSize(int n) {
         int power = (n == 0 || n == 1)
                     ? initialChunkPower
@@ -101,6 +120,8 @@
         return 1 << power;
     }
 
-    /** Remove all data from the buffer */
+    /**
+     * Remove all data from the buffer
+     */
     public abstract void clear();
 }

--- a/src/share/classes/java/util/stream/SpinedBuffer.java	Mon Apr 22 22:12:25 2013 +0800
+++ b/src/share/classes/java/util/stream/SpinedBuffer.java	Mon Apr 22 09:40:31 2013 -0700
@@ -48,7 +48,6 @@
  * {@link ArrayList}, as when the capacity of the list needs to be increased
  * no copying of elements is required.  This is usually beneficial in the case
  * where the results will be traversed a small number of times.
- * </p>
  *
  * @param <E> the type of elements in this list
  * @since 1.8
@@ -81,7 +80,9 @@
      */
     protected E[] curChunk;
 
-    /** All chunks, or null if there is only one chunk */
+    /**
+     * All chunks, or null if there is only one chunk
+     */
     protected E[][] spine;
 
     /**
@@ -104,7 +105,9 @@
         curChunk = (E[]) new Object[1 << initialChunkPower];
     }
 
-    /** Returns the current capacity of the buffer */
+    /**
+     * Returns the current capacity of the buffer
+     */
     protected long capacity() {
         return (spineIndex == 0)
                ? curChunk.length
@@ -119,7 +122,9 @@
         }
     }
 
-    /** Ensure that the buffer has at least capacity to hold the target size */
+    /**
+     * Ensure that the buffer has at least capacity to hold the target size
+     */
     protected final void ensureCapacity(long targetSize) {
         long capacity = capacity();
         if (targetSize > capacity) {
@@ -138,12 +143,16 @@
         }
     }
 
-    /** Force the buffer to increase its capacity */
+    /**
+     * Force the buffer to increase its capacity
+     */
     protected void increaseCapacity() {
         ensureCapacity(capacity() + 1);
     }
 
-    /** Retrieve the element at the specified index */
+    /**
+     * Retrieve the element at the specified index
+     */
     public E get(long index) {
         // @@@ can further optimize by caching last seen spineIndex,
         // which is going to be right most of the time
@@ -164,7 +173,10 @@
         throw new IndexOutOfBoundsException(Long.toString(index));
     }
 
-    /** Copy the elements, starting at the specified offset, into the specified array */
+    /**
+     * Copy the elements, starting at the specified offset, into the specified
+     * array
+     */
     public void copyInto(E[] array, int offset) {
         long finalOffset = offset + count();
         if (finalOffset > array.length || finalOffset < offset) {
@@ -184,7 +196,10 @@
         }
     }
 
-    /** Create a new array using the specified array factory, and copy the elements into it */
+    /**
+     * Create a new array using the specified array factory, and copy the
+     * elements into it
+     */
     public E[] asArray(IntFunction<E[]> arrayFactory) {
         // @@@ will fail for size == MAX_VALUE
         E[] result = arrayFactory.apply((int) count());
@@ -251,7 +266,9 @@
     private static final int SPLITERATOR_CHARACTERISTICS
             = Spliterator.SIZED | Spliterator.ORDERED | Spliterator.SUBSIZED;
 
-    /** Return a {@link Spliterator} describing the contents of the buffer */
+    /**
+     * Return a {@link Spliterator} describing the contents of the buffer
+     */
     public Spliterator<E> spliterator() {
         return new Spliterator<E>() {
             // The current spine index