a2zinterviews

1.	What is a stream?
	A Stream is an abstraction that either products or consumes information.
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2.	What are the types of Streams and classes of the Streams?
	There are two types of Streams and they are Byte Streams: provide a convenient means for handling input and output of bytes. Character Streams: provide a convenient means for handling input and output of characters. Byte stream classes: are defined by using two abstract classes, namely InputStream and OutputStream. Character Streams classes: are defined by using two abstract classes, namely Reader and Writer.
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3.	What is serialization and deserialization?
	Serialization is the process of writing the states of an object to byte stream. Deserialization is the process of restoring these objects.
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4.	What is object serialization?
	Serializing an object involves encoding its state in a structured way within a byte array. Once an object is serialized, the byte array can be manipulated in various ways; it can be written to a file, sent over a network using a socket based connection or RMI, or persisted within a database as a BLOB. The serialization process encodes enough information about the object type within the byte stream, allowing the original object to be easily recreated upon deserialization at a later point in time.
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