Phil Webb (Developer, Pivotal) speaks on the Main Stage at SpringOne Platform 2017.

1. The Only Constant IsChange

2. Principal Software Engineer
Andy Wilkinson
Andy is a software developer on the Spring team at
Pivotal where he's currently working on Spring
Boot, Spring REST Docs, and the Spring IO
Platform. When he's not working with server-side
Java, Andy enjoys the different challenges
presented by developing for iOS.
Pivotal

3. Principal Software Engineer
Andy Wilkinson
Andy is a software developer on the Spring team at
Pivotal where he's currently working on Spring
Boot, Spring REST Docs, and the Spring IO
Platform. When he's not working with server-side
Java, Andy enjoys the different challenges
presented by developing for iOS.
Pivotal

4. Principal Software Engineer
Andy Wilkinson
Andy is a software developer on the Spring team at
Pivotal where he's currently working on Spring
Boot, Spring REST Docs, and the Spring IO
Platform. When he's not working with server-side
Java, Andy enjoys the different challenges
presented by developing for iOS.
Pivotal

5. “
”
It is not the strongest of the
species that survives, nor the
most intelligent, but the one most
adaptable to change.
— Leon C. Megginson Professor Emeritus

6. The best technical design advice I’ve ever
received is you will get it wrong, optimize for
making your code easy to modify in the
future.

7. How does Spring help you to
adapt?

8. ?? ?
How does Spring help you to
adapt?

9. Nokia 6610
725kb 780mAh
2000 less than iPhone XStill runs Java
128x1284096 color
(micro edition)

10. Nokia 6610
725kb 780mAh
2000 less than iPhone XStill runs Java
128x1284096 color
(micro edition)

11. Nokia 6610

12. Nokia 6610

13. “
”
Software maintenance is not
‘keep it working like before’
It is ‘keep it being useful in a
changing world’
— Jessica Kerr Atomist

17. View Technologies

18. 0%
25%
50%
75%
100%
December
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Thymeleaf FreeMarker Mustache Groovy Templates Velocity

19. Velocity
Groovy Templates
Mustache
FreeMarker
Thymeleaf
July August

20. NoSQL

21. Is SQLDead?
Are SQL Databases Dead?
Bat Child
Found In Cave!
The relational model is dead, SQL is
dead,and I don’t feel so good myself.
** sigmodrecord.org/publications/sigmodRecord/1306/pdfs/11.reports.atzeni.pdf

22. A good developer is like a werewolf: Afraid of
silver bullets.

23. oSQLN

24. o SQLNot nly

25. o SQLNearly nlyNo

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JPA MongoDB Redis Elasticsearch Cassandra
Solr Neo4J Couchbase GemFire

27. MongoDB
Redis
Elasticsearch
Cassandra
Solr
Neo4J
Couchbase

28. Twelve-Factor Apps
Cloud Native Applications

29. Cloud Native Applications
Platform as a Service
+
Cloud Application Platform
Serverless

30. Cloud Native Applications
+
Serverless

31. +
&

35. Build software that is easy to
keep
useful
maintain

36. “
”
There are a thousand no’s for
every yes.
— Jony Ive Apple

38. “
”
There are a thousand no’s for
every yes.
— Jony Ive Apple

39. Stagnation VolatilityUseful
😡😴 🙂

40. Some new choices

41. Some new choices

42. Some new choices

43. Kotlin

44. @SpringBootApplication
class App {
@Bean
fun router(htmlHandler: HtmlHandler, blogHandler: BlogHandler) = router {
"/api/blog" and accept(APPLICATION_JSON).nest {
GET("/", blogHandler::findAll)
GET("/{slug}", blogHandler::findOne)
POST("/", blogHandler::save)
DELETE("/{slug}", blogHandler::delete)
}
accept(TEXT_HTML).nest {
GET("/", htmlHandler::blog)
(GET("/{slug}") and !GET("/favicon.ico")).invoke(htmlHandler::blog)
}
}
}
fun main(args: Array<String>) {
runApplication<App>(*args)
}
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Kotlin Groovy

46. Some new choices

47. Some new choices

48. Reactive
Event
Driven
Requests
Trigger
Register
Complete
Intensive Op
Data Security
WebFlux
Boot
WebClient

49. @RestController
public class CarController {
// ...
@PostMapping("/booking")
public Mono<ResponseEntity<Void>> book() {
return webClient.get().uri("/cars")
.retrieve()
.bodyToFlux(Car.class)
.doOnNext(car -> logger.debug("Trying to book " + car))
.take(5)
.flatMap(this::requestCar)
.next()
.doOnNext(car -> logger.debug("Booked car " + car));
}
}
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58. What
The… ?

59. What
The… ?
Nokia
😴🙂😡 I’m
Confused

60. Don’t Worry

61. We’re here to help you learn
😀
💡

63. It’s all going on

64. Thank You!