Tech talk: Micronaut

Introduction to Micronaut

Transcript

1. Tech talk: Micronaut
   

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2. How do we usually
   write Java
   applications?
   ● Spring, Jackson, Hibernate, …
   ● Utilizes annotations
   ● Annotation-driven development
   

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3. How do these
   annotations
   (usually) work?
   ● Uses reflection API
   ● Runtime evaluation takes time
   ● Higher memory consumption
   ● Less benefit from Ahead of Time
   compilation
   

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4. Is there an alternative?
   

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5. Meet Micronaut ● Modern Java framework
   ● Focuses on microservices and
   serverless
   ● Annotation processors
   ● Runs at compile-time
   

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6. Advantages of
   Micronaut
   ● No reflection
   ● No classpath scanning
   ● Decreased startup time & memory
   footprint
   ● Works with annotations of other
   libraries!
   

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7. Let’s try it out!
   

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8. Remember this ● Startup times not always important
   ● Framework still young
   ● Quality of documentation
   ● Compilation takes longer
   

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9. Source code
   

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10. Thanks for listening!
    

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