Microservices is a software architecture model.this model consiste of decomposing a monolith application into multiple smaller services are very tightly focused on doing one thing and doing it well.Each  is individually deployable and composed

Most developers use maps to store and get data especially HashMaps, but most of theme dont know how to use it or understand how  HashMaps works.  in this post , i'll explain how the java.util.HashMap works , we