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...
Creational Design Patterns
Creational patterns allow you to create objects while hiding the creational logic, which increase flexibility and code reusability, so you decide which objects need to be create...