If you are tired of handling explicit nullpointers exception in Java 7 or lower, I’ve developed a Optional class for this porpouse.

Sometimes, some companies has a lot policies for upgrading for Java 8. So, I’ve decided to create my own Optional class to use in Java 7.

See the…

In order to distinguish this two types of architectures and the question “Is it a difference at all?”. To go deeper in this matter that raised thousands of debates, I will briefly define both architectures (SOA and Microservices) and further they are going to be compared.

Service Oriented Architecture

Service Oriented Architecture is…

Open API Specification (formerly called the Swagger Specification) is a contract description format of APIs for the REST architectural standard. An OpenAPI file allows you to describe your API, including:

  • Route availability (GET / users).
  • Parameters of input and output of each route (query parameters, header parameters or body).
  • Authentication…

Rafael Manzoni

I´m a software engineer at Creditas Brasil. Passionate about technology and continuous learning.

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