Sergio Martin Rubio

Sergio Martin Rubio


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JWTs with Spring Boot

JWT (JSON Web Token) is an open source standard commonly used to transmit data between two services in a compact and secure way. This standard offers a wide range of libraries t...

Functional Interfaces Fundamentals

Functional interfaces only have one abstract method different from the public methods of Object.class (equals, hashCode…), so that the contract contains a single method. Annota...

Serverless “Hello World” with Fn Framework

The hype about serverless applications has been growing lately, and AWS is the leader at the moment, however there are other alternatives such as Fn Project by Oracle or OpenWhi...

Recipes to @Override “equals” and “hashCode” methods

equals Use == operator to compare object references. This is the most performance comparison. Use instanceof to check that both objects have same type. Cast the argument...

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