Question

1. [BTL-2, CO-3, PO-1]
Which of the following statements are true about java.io.Serializable ?* [S
(2 Points)
a class whose objects are to be written to a stream must extend it
it is an interface
a class whose objects are to be written to a stream must override the methods in it
it is a class
a class whose objects are to be written to a stream must implement it​

Answer 1

which STD you take

I will don't know

sorry