Answer: serialize means to convert a java object to byte stream and deserialize means to convert the byte stream again to java object.
Step-by-step explanation:
Both of these functions are present in java.io library. we perform serviceable to java object in order to send it across the network where we can it can be stored in the hard disk because java object cannot be sent across the network to be stored in hard disks. Similarly deserialize enable to get the java object from the byte stream across the network