transient keyword in Java

Adapted from : 

https://www.javatpoint.com/transient-keyword

https://stackoverflow.com/questions/910374/why-does-java-have-transient-fields

Java transient keyword is used in serialization. If any data member is defined as transient, it will not be serialized.

Variables may be marked transient to indicate that they are not part of the persistent state of an object.

Find a  good example at : https://www.javatpoint.com/transient-keyword