javaserialization.pdf

Serialization

Topics

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What is Serialization?

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What is preserved when an object is serialized?

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Transient keyword

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Process of serialization

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Process of deserialization

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Version control

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Changing the default protocol

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Creating your own protocol via Externalizable

What is

Serialization?

What is

Serialization?

What is Serialization?

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Ability to read or write an object to a stream

– Process of "flattening" an object

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Used to save object to some permanent storage

– Its state should be written in a serialized form to a

file such that the object can be reconstructed at a

later time from that file

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Used to pass on to another object via the

OutputStream class

– Can be sent over the network

Streams Used for Serialization

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ObjectOutputStream

– For serializing (flattening an object)

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ObjectInputStream

– For deserializing (reconstructing an object)