What if you have an object without ID. How do you know if that object already exists in the database?

LAURENT HINOUL
Welcome.
Hello there! My name is Laurent Hinoul. I’m a software developer who lives in Belgium. I mainly program in Java and use technologies/frameworks like Spring, Maven, Angular, MongoDB…
Besides developing, I’m interested in home automation and music. I am volunteering as a Firefighter and Paramedic too. But most importantly, I love to be a husband and father.
We as developers sometimes run into problems that takes us some time to resolve. Through this blog, I would like to share mine I took care of. Enjoy reading…