Serialization in Java In this article, we are going to learn how to accomplish Serialization in java and the importance of serialization. Also, we will learn the reverse of serialization i.e., Deserialization . What is Serialization in java? Serialization is a process that is used to convert an object into the stream of bytes so that the stream data bytes can be transferred to any location outside the java like databases, network transmission, files, etc. Deserialization in java Deserialization is the reverse of serialization in which the stream of bytes is converted back into an object. This is majorly used to fetch data from databases, read files or received data packets from the network and deserialized into an object within the java memory space. How to do serialization in java? To achieve serialization in java, we need to use a marker interface named as Serializable. Serializable interface is the part of the java.io package and If any object needs to be serial