81      *

    81      *

    82      * The bits in this BitSet.  The ith bit is stored in bits[i/64] at

    82      * The bits in this BitSet.  The ith bit is stored in bits[i/64] at

    83      * bit position i % 64 (where bit position 0 refers to the least

    83      * bit position i % 64 (where bit position 0 refers to the least

    84      * significant bit and 63 refers to the most significant bit).

    84      * significant bit and 63 refers to the most significant bit).

    85      */

    85      */

    86     private static final ObjectStreamField[] serialPersistentFields = {

    87     private static final ObjectStreamField[] serialPersistentFields = {

    87         new ObjectStreamField("bits", long[].class),

    88         new ObjectStreamField("bits", long[].class),

    88     };

    89     };

    89 

    90 

    90     /**

    91     /**

   102      * the user knows what he's doing and try harder to preserve it.

   103      * the user knows what he's doing and try harder to preserve it.

   103      */

   104      */

   104     private transient boolean sizeIsSticky = false;

   105     private transient boolean sizeIsSticky = false;

   105 

   106 

   106     /* use serialVersionUID from JDK 1.0.2 for interoperability */

   107     /* use serialVersionUID from JDK 1.0.2 for interoperability */

   107     private static final long serialVersionUID = 7997698588986878753L;

   109     private static final long serialVersionUID = 7997698588986878753L;

   108 

   110 

   109     /**

   111     /**

   110      * Given a bit index, return word index containing it.

   112      * Given a bit index, return word index containing it.

   111      */

   113      */

  1122 

  1124 

  1123     /**

  1125     /**

  1124      * Save the state of the {@code BitSet} instance to a stream (i.e.,

  1126      * Save the state of the {@code BitSet} instance to a stream (i.e.,

  1125      * serialize it).

  1127      * serialize it).

  1126      */

  1128      */

  1127     private void writeObject(ObjectOutputStream s)

  1130     private void writeObject(ObjectOutputStream s)

  1128         throws IOException {

  1131         throws IOException {

  1129 

  1132 

  1130         checkInvariants();

  1133         checkInvariants();

  1131 

  1134 

  1139 

  1142 

  1140     /**

  1143     /**

  1141      * Reconstitute the {@code BitSet} instance from a stream (i.e.,

  1144      * Reconstitute the {@code BitSet} instance from a stream (i.e.,

  1142      * deserialize it).

  1145      * deserialize it).

  1143      */

  1146      */

  1144     private void readObject(ObjectInputStream s)

  1148     private void readObject(ObjectInputStream s)

  1145         throws IOException, ClassNotFoundException {

  1149         throws IOException, ClassNotFoundException {

  1146 

  1150 

  1147         ObjectInputStream.GetField fields = s.readFields();

  1151         ObjectInputStream.GetField fields = s.readFields();

  1148         words = (long[]) fields.get("bits", null);

  1152         words = (long[]) fields.get("bits", null);