If one of the members in the class doesn't implement Serializable interface?
One of the easy question about Serialization process in Java. If you try to serialize an object of a class which implements Serializable, but the object includes a reference to an non- Serializable class then a ‘NotSerializableException’ will be thrown at runtime and this is why I always put a SerializableAlert (comment section in my code) , one of the code comment best practices, to instruct developer to remember this fact while adding a new field in a Serializable class.
Read more: http://javarevisited.blogspot.com/2011/04/top-10-java-serialization-interview.html#ixzz3uyZjnIV7
Read more: http://javarevisited.blogspot.com/2011/04/top-10-java-serialization-interview.html#ixzz3uyZjnIV7
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