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Comparing jsr166/src/main/java/util/ArrayList.java (file contents):
Revision 1.16 by jsr166, Tue Feb 7 20:54:24 2006 UTC vs.
Revision 1.17 by jsr166, Sun Mar 19 17:25:10 2006 UTC

# Line 122 | Line 122 | public class ArrayList<E> extends Abstra
122      /**
123       * Constructs a list containing the elements of the specified
124       * collection, in the order they are returned by the collection's
125 <     * iterator.  The <tt>ArrayList</tt> instance has an initial capacity of
126 <     * 110% the size of the specified collection.
125 >     * iterator.
126       *
127       * @param c the collection whose elements are to be placed into this list
128       * @throws NullPointerException if the specified collection is null
129       */
130      public ArrayList(Collection<? extends E> c) {
132        int size = c.size();
133        // 10% for growth
134        int cap = ((size/10)+1)*11;
135        if (cap > 0) {
136            Object[] a = new Object[cap];
137            a[size] = a[size+1] = UNALLOCATED;
138            Object[] b = c.toArray(a);
139            if (b[size] == null && b[size+1] == UNALLOCATED) {
140                b[size+1] = null;
141                elementData = b;
142                this.size = size;
143                return;
144            }
145        }
146        initFromConcurrentlyMutating(c);
147    }
148
149    private void initFromConcurrentlyMutating(Collection<? extends E> c) {
131          elementData = c.toArray();
132          size = elementData.length;
133          // c.toArray might (incorrectly) not return Object[] (see 6260652)
# Line 154 | Line 135 | public class ArrayList<E> extends Abstra
135              elementData = Arrays.copyOf(elementData, size, Object[].class);
136      }
137  
157    private final static Object UNALLOCATED = new Object();
158
138      /**
139       * Trims the capacity of this <tt>ArrayList</tt> instance to be the
140       * list's current size.  An application can use this operation to minimize

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