53  * NotSerializableException will be thrown and will identify the class

    53  * NotSerializableException will be thrown and will identify the class

    54  * of the non-serializable object. <p>

    54  * of the non-serializable object. <p>

    55  *

    55  *

    56  * Classes that require special handling during the serialization and

    56  * Classes that require special handling during the serialization and

    57  * deserialization process must implement special methods with these exact

    57  * deserialization process must implement special methods with these exact

    59  *

    59  *

    60  * <PRE>

    60  * <PRE>

    61  * private void writeObject(java.io.ObjectOutputStream out)

    61  * private void writeObject(java.io.ObjectOutputStream out)

    62  *     throws IOException

    62  *     throws IOException

    63  * private void readObject(java.io.ObjectInputStream in)

    63  * private void readObject(java.io.ObjectInputStream in)

    99  * deserialized objects properly despite a "hostile" or incomplete source

    99  * deserialized objects properly despite a "hostile" or incomplete source

   100  * stream.

   100  * stream.

   101  *

   101  *

   102  * <p>Serializable classes that need to designate an alternative object to be

   102  * <p>Serializable classes that need to designate an alternative object to be

   103  * used when writing an object to the stream should implement this

   103  * used when writing an object to the stream should implement this

   105  *

   105  *

   106  * <PRE>

   106  * <PRE>

   107  * ANY-ACCESS-MODIFIER Object writeReplace() throws ObjectStreamException;

   107  * ANY-ACCESS-MODIFIER Object writeReplace() throws ObjectStreamException;

   108  * </PRE><p>

   108  * </PRE><p>

   109  *

   109  *

   113  * protected and package-private access. Subclass access to this method

   113  * protected and package-private access. Subclass access to this method

   114  * follows java accessibility rules. <p>

   114  * follows java accessibility rules. <p>

   115  *

   115  *

   116  * Classes that need to designate a replacement when an instance of it

   116  * Classes that need to designate a replacement when an instance of it

   117  * is read from the stream should implement this special method with the

   117  * is read from the stream should implement this special method with the

   119  *

   119  *

   120  * <PRE>

   120  * <PRE>

   121  * ANY-ACCESS-MODIFIER Object readResolve() throws ObjectStreamException;

   121  * ANY-ACCESS-MODIFIER Object readResolve() throws ObjectStreamException;

   122  * </PRE><p>

   122  * </PRE><p>

   123  *

   123  *

   131  * If the receiver has loaded a class for the object that has a different

   131  * If the receiver has loaded a class for the object that has a different

   132  * serialVersionUID than that of the corresponding sender's class, then

   132  * serialVersionUID than that of the corresponding sender's class, then

   133  * deserialization will result in an {@link InvalidClassException}.  A

   133  * deserialization will result in an {@link InvalidClassException}.  A

   134  * serializable class can declare its own serialVersionUID explicitly by

   134  * serializable class can declare its own serialVersionUID explicitly by

   135  * declaring a field named <code>"serialVersionUID"</code> that must be static,

   135  * declaring a field named <code>"serialVersionUID"</code> that must be static,

   137  *

   137  *

   138  * <PRE>

   138  * <PRE>

   139  * ANY-ACCESS-MODIFIER static final long serialVersionUID = 42L;

   139  * ANY-ACCESS-MODIFIER static final long serialVersionUID = 42L;

   140  * </PRE>

   140  * </PRE>

   141  *

   141  *