Sunday 14 May 2017

InvalidClassException Exception in Java


java.lang.Object
            java.lang.Throwable
                        java.lang.Exception
                                    java.io.IOException
                                                java.io.ObjectStreamException
                                                            java.io.InvalidClassException


public class InvalidClassException extends ObjectStreamException

Throws when the Serialization runtime detects a problem with a Class:
1) The serial version of the class does not match that of the class descriptor read from the stream.
2) The class contains unknown datatypes.
3) The class does not have an accessible no-arg constructor.
4) The class is not public.
5) The class implements only one of writeObject or readObject methods.



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