What is Spring Cloud? — Spring Technical Interview Questions & Answers

Tools for building distributed, cloud-native systems on Spring.

What is Spring Cloud?

  • Spring Cloud adds tools for distributed systems on top of Spring.
  • Common needs: config server, service discovery, gateway, resilience, tracing.
  • Use it when you have many services, not for every small app.
  • Cloud = patterns for microservices on Spring.

Technical Interview Tip: Name three Spring Cloud capabilities.

Code Examples for What is Spring Cloud?

What is Spring Cloud? — working example

// Topic: What is Spring Cloud?
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: What is Spring Cloud?";
  }
}

What is Spring Cloud?: GET /api/topic returns this title string.

How to Explain What is Spring Cloud? to an Interviewer

What is Cloud (intro)?

Used for a tiny REST app localhost:8080 Not just the heading

Give one small example of Cloud (intro).

@SpringBootApplication + one controller Tools for building distributed, cloud-native systems on Spring

What mistake do beginners make with Cloud (intro)?

calling Boot ‘just Spring XML’ Show the fix

Where do you use Cloud (intro)?

localhost:8080 a tiny REST app