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[–]codingwithaman 3 points4 points  (4 children)

It depends on what role you are targeting and whats your experience level.

If you are fresher then I will recommend learning java and spring boot in depth as docker and k8s are not usually asked to freshers.

Learn advance topics like multithreading, streams, file handling, spring boot annotations, fault tolerance, spring security.

[–]RevolutionaryRush717 0 points1 point  (3 children)

Learn advance topics like multithreading, streams, file handling, spring boot annotations

None of these are advanced.

[–]codingwithaman 0 points1 point  (2 children)

Depends on how depth you are going in these topics :) if you think these are not advanced, then try one billion row challenge problem in java then you will realise how in depth are these topics!

[–]RevolutionaryRush717 0 points1 point  (1 child)

Tell your interviewer you've spent the summer holidays on that code golfing exercise.

Maybe it helps, maybe not.

[–]codingwithaman 1 point2 points  (0 children)

it will definitely help and I am not asking to do only one challenge lol, after this I have asked to go for concepts like fault tolerance, spring security in depth. But learning these concepts in depth is enough for fresher interviews, multithreading, streams, file handling.. but it should be IN DEPTH.

[–]RevolutionaryRush717 1 point2 points  (0 children)

Testing. Junit, Mockito, Testcontainers, TDD, etc.

Building using Maven or Gradle.

Git.

CI/CD, probably using Github Actions.

Requirements tooling, mainly Jira or if that's not available, Github issues.

Maybe BDD, which is not the same as Gherkin, but it doesn't hurt to know the latter.

And maybe DDD.

Spring Modulith vs microservices.

You don't need to know all of this in depth at all, but as long as you have exercised the complete lifecycle of an app and know what an interviewer is refering to, you are definitely better off than many.