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|Frequently asked in Cognizant (CTS)|
|Ans. Storing the state of an object in a file or other medium is called serialization.|
Classes can communicate only if they are built together ( as they need Byte code for communication ). What if we need to enable communication between different applications ( i.e they have been built independently or even they reside at different locations ), We need a mechanism that will transfer the Bean state to a Medium than can be transferred to the receiving application.
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|Like Discuss Correct / Improve  java   oops   serialization Asked in 18 Companies basic   frequent|
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|Can we declare static variables as transient ?|
|Which elements of a class are ignored during serialization ?|
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|What is the use of Transient Keyword ?|
|Difference between Serialization and Deserialization ?|
|What is an Externalizable interface ?|
|Difference between serializable and externalizable interface ?|
|What is Externalizable interface?|