how to serialize class?

Question

When I insert a List into mongodb, there is a problem:

Exception in thread \"main\" java.lang.IllegalArgumentException: can\'t serialize class mongodb.Person         


        

Answer 1

First of all you should know why you make class Serializable? Whenever you want to move obeject on network to a file, database, network, process or any other system. In java simple Implementation. Just Implement Serializable interface.