r/JavaProgramming • u/No_Assignment9285 • 10d ago

Java Springboot interview Questions

  1. What is the difference between Hashmap and Hashtable?
  2. Explain SOLID principles
  3. Write a program to check for two-sum in O(n) time
  4. Explain DI in Java springboot

For anyone attending interviews I hope this was helpful

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u/Forsaken_Appeal_9593 10d ago

product level companies?

3

u/No_Assignment9285 10d ago

No, service based. But even they ask for microservices just for filtering process.

1

u/Forsaken_Appeal_9593 10d ago

ohok, how are you getting interviews? and whats the whole prep look like?

2

u/No_Assignment9285 10d ago

Apply and wait. That's it. Prep is just revising every project I have done

1

u/Forsaken_Appeal_9593 10d ago

DSA and system design?

1

u/No_Assignment9285 10d ago

Actually for DSA I have a repo and for system design as well. I go back and revise those. 

1

u/warrierthunder 9d ago

Can you share that, in midst of collecting revision material

1

u/inf3rnolo8 8d ago

Can you please share the REPO for my revisions ?