Cache Providers — Spring Technical Interview Questions & Answers

EhCache, Caffeine and Redis as pluggable cache backends.

Cache Providers

  • Cache Providers (sb) is a Spring topic. In plain words you use it for a short Cache Providers sb example in a small REST app. Don’t start with a slogan — start with that picture.
  • Smallest example: the smallest Cache Providers sb example you can type. Type it, run it, and say what you see. If you can do that from memory, you know Cache Providers (sb).
  • From the example next to this theory: EhCache, Caffeine and Redis as pluggable cache backends.
  • Trap: only saying “Cache Providers sb” with no example. Fix that before you talk about advanced Spring.
  • Viva: what is Cache Providers (sb)? Then show the smallest Cache Providers sb example you can type. Then name the trap.

Technical Interview Tip: What is Cache Providers (sb)? Show this: the smallest Cache Providers sb example you can type. Trap: only saying “Cache Providers sb” with no example.

Code Examples for Cache Providers

Cache Providers — working example

// Topic: Cache Providers
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
class TopicController {
  @GetMapping("/api/topic")
  String topic() {
    return "Spring Boot: Cache Providers";
  }
}

Cache Providers: GET /api/topic returns this title string.

How to Explain Cache Providers to an Interviewer

What is Cache Providers (sb)?

Used for a short Cache Providers sb example a small REST app Not just the heading

Give one small example of Cache Providers (sb).

the smallest Cache Providers sb example you can type EhCache, Caffeine and Redis as pluggable cache backends

What mistake do beginners make with Cache Providers (sb)?

only saying “Cache Providers sb” with no example Show the fix

Where do you use Cache Providers (sb)?

a small REST app a short Cache Providers sb example