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What is Serialization in Java Object Serialization in Java is a process used to convert Object into a binary format which can be persisted into disk or sent over network to any other running Java virtual machine; the reverse process of creating object from binary stream is called deserialization in Java. Java provides Serialization API for serializing and deserializing object which includes java.io.Serializable, java.io.Externalizable, ObjectInputStream and ObjectOutputStream etc. Java programmers are free to use default Serialization mechanism which Java uses based upon structure of class but they are also free to use there own custom binary format, which is often advised as Serialization best practice, Because serialized binary format becomes part of Class's exported API and it can potentially break Encapsulation in Java provided by private and package-private fields. Serialization is a process of converting an object into a sequence of bytes which can be persisted to a disk or d...