• Deep vs shallow copy https://www.baeldung.com/cs/deep-vs-shallow-copy
• Java State Design Pattern (State machine with enums)
• Java Specification Pattern
• Runtime vs compilation time https://www.baeldung.com/cs/runtime-vs-compile-time
• Algoexpert System Design articles
• DDD
  • DDD trillema
  • aggregates
  • value objects
  • domain models (entities)
• SAGA
• Event Driven Architecture
• non-blocking vs async - what’s the difference
• jdbc vs jpa (hibernate?)
• runtime vs compile
• Fallacies of distributed computing https://en.wikipedia.org/wiki/Fallacies_of_distributed_computing
• completable future in java https://www.youtube.com/watch?v=3rJBLFA95Io&t=1240s
• materialized view
• sockets

• websockets vs http

• Hibernate traps

• RestTemplate vs FEIGN

• Project Loom

• Contract testing (Pact) https://docs.pact.io/

• Authentication https://www.meetup.com/warszawa-jug/events/292729513/rsvp/

To watch

• DDD
  • https://www.youtube.com/watch?v=1ZyR_tgGTp8
  • https://www.youtube.com/watch?v=rulQQE31OVU
• Architecture
  • https://www.youtube.com/watch?v=uUNIo0c3Z1o&list=PLE6LA5cDflHr7fZBH_fY19sjDh1heTnvt
• CQRS
  • https://www.youtube.com/watch?v=jU5aKVQmBeM
• OOP vs Functional programming
  • https://www.youtube.com/watch?v=UOkOA6W-vwc
• GO/RUST
  • https://www.youtube.com/watch?v=dfyaTa0bSNE
  • https://www.youtube.com/watch?v=gutR_LNoZw0
  • https://www.youtube.com/watch?v=BvP8zGyp4HU
  • https://www.youtube.com/watch?v=2hXNd6x9sZs
  • https://www.youtube.com/watch?v=0rJ94rbdteE
  • https://www.youtube.com/watch?v=LbmvbXPj8Fs https://www.youtube.com/watch?v=4YU_r70yGjQ
  • https://www.youtube.com/watch?v=tSjnf6l8cq8
  • https://www.youtube.com/watch?v=biGr232TBwc
• Spring Tips GraalVM / Spring Framework 6
  • https://www.youtube.com/watch?v=JsUAGJqdvaA
  • https://www.youtube.com/watch?v=TOfYlLjXufw&themeRefresh=1
  • https://www.youtube.com/watch?v=mitWK_DwKGs\
• CompletableFuture
  • https://mincong.io/2020/05/30/exception-handling-in-completable-future/
  • https://www.youtube.com/watch?v=qCJ-8nBQHek&list=PLL-4P1BOZnWwauNPsQ_Q13hVL1LHvhy30&index=1
  • https://www.youtube.com/watch?v=xlkSa44Mdz8
  • https://www.youtube.com/watch?v=gbjF4ahIX7E
  • https://www.youtube.com/watch?v=3rJBLFA95Io
    • https://www.youtube.com/watch?v=GJ5Tx43q6KM&t=349s
    • https://www.youtube.com/watch?v=oFRtBuRviHM
• Java
  • https://www.youtube.com/watch?v=bAYwPth2vmI
• Spring Boot
  • https://www.youtube.com/playlist?list=PLgGXSWYM2FpOa_FTla-x5Wd10dpmgrRC4
• Resilience4J
  • https://www.youtube.com/watch?v=Z4CSGsOLb1c&list=RDCMUCORuRdpN2QTCKnsuEaeK-kQ&index=9
• Authentication/ JWT
  • https://www.youtube.com/watch?v=MWvnmyLRUik

  • https://www.meetup.com/warszawa-jug/events/292729513/rsvp/

  • https://www.youtube.com/watch?v=GhrvZ5nUWNg

  • https://www.youtube.com/watch?v=xoVJKj8lcNQ

Threads (fajny kanal i seria) https://www.youtube.com/watch?v=LCSqZyjBwWA&list=PLL8woMHwr36EDxjUoCzboZjedsnhLP1j4&index=4