1033 * Removes from this list all of the elements whose index is between
1034 * {@code fromIndex}, inclusive, and {@code toIndex}, exclusive.
1035 * Shifts any succeeding elements to the left (reduces their index).
1036 * This call shortens the list by {@code (toIndex - fromIndex)} elements.
1037 * (If {@code toIndex==fromIndex}, this operation has no effect.)
1038 */
1039 protected synchronized void removeRange(int fromIndex, int toIndex) {
1040 modCount++;
1041 int numMoved = elementCount - toIndex;
1042 System.arraycopy(elementData, toIndex, elementData, fromIndex,
1043 numMoved);
1044
1045 // Let gc do its work
1046 int newElementCount = elementCount - (toIndex-fromIndex);
1047 while (elementCount != newElementCount)
1048 elementData[--elementCount] = null;
1049 }
1050
1051 /**
1052 * Save the state of the {@code Vector} instance to a stream (that
1053 * is, serialize it). This method is present merely for synchronization.
1054 * It just calls the default writeObject method.
1055 */
1056 private synchronized void writeObject(java.io.ObjectOutputStream s)
1057 throws java.io.IOException
1058 {
1059 s.defaultWriteObject();
1060 }
1061
1062 /**
1063 * Returns a list iterator over the elements in this list (in proper
1064 * sequence), starting at the specified position in the list.
1065 * The specified index indicates the first element that would be
1066 * returned by an initial call to {@link ListIterator#next next}.
1067 * An initial call to {@link ListIterator#previous previous} would
1068 * return the element with the specified index minus one.
1069 *
1070 * <p>The returned list iterator is <a href="#fail-fast"><i>fail-fast</i></a>.
1071 *
1072 * @throws IndexOutOfBoundsException {@inheritDoc}
1073 */
1074 public synchronized ListIterator<E> listIterator(int index) {
1075 if (index < 0 || index > elementCount)
1076 throw new IndexOutOfBoundsException("Index: "+index);
1077 return new ListItr(index);
1078 }
1079
|
1033 * Removes from this list all of the elements whose index is between
1034 * {@code fromIndex}, inclusive, and {@code toIndex}, exclusive.
1035 * Shifts any succeeding elements to the left (reduces their index).
1036 * This call shortens the list by {@code (toIndex - fromIndex)} elements.
1037 * (If {@code toIndex==fromIndex}, this operation has no effect.)
1038 */
1039 protected synchronized void removeRange(int fromIndex, int toIndex) {
1040 modCount++;
1041 int numMoved = elementCount - toIndex;
1042 System.arraycopy(elementData, toIndex, elementData, fromIndex,
1043 numMoved);
1044
1045 // Let gc do its work
1046 int newElementCount = elementCount - (toIndex-fromIndex);
1047 while (elementCount != newElementCount)
1048 elementData[--elementCount] = null;
1049 }
1050
1051 /**
1052 * Save the state of the {@code Vector} instance to a stream (that
1053 * is, serialize it).
1054 * This method performs synchronization to ensure the consistency
1055 * of the serialized data.
1056 */
1057 private void writeObject(java.io.ObjectOutputStream s)
1058 throws java.io.IOException {
1059 final java.io.ObjectOutputStream.PutField fields = s.putFields();
1060 Object[] data = null;
1061 synchronized (this) {
1062 fields.put("capacityIncrement", capacityIncrement);
1063 fields.put("elementCount", elementCount);
1064 final int dataLength = elementData.length;
1065 data = new Object[dataLength];
1066 System.arraycopy(elementData, 0, data, 0, dataLength);
1067 }
1068 fields.put("elementData", data);
1069 s.writeFields();
1070 }
1071
1072 /**
1073 * Returns a list iterator over the elements in this list (in proper
1074 * sequence), starting at the specified position in the list.
1075 * The specified index indicates the first element that would be
1076 * returned by an initial call to {@link ListIterator#next next}.
1077 * An initial call to {@link ListIterator#previous previous} would
1078 * return the element with the specified index minus one.
1079 *
1080 * <p>The returned list iterator is <a href="#fail-fast"><i>fail-fast</i></a>.
1081 *
1082 * @throws IndexOutOfBoundsException {@inheritDoc}
1083 */
1084 public synchronized ListIterator<E> listIterator(int index) {
1085 if (index < 0 || index > elementCount)
1086 throw new IndexOutOfBoundsException("Index: "+index);
1087 return new ListItr(index);
1088 }
1089
|