[Solved] What is wrong with this Spring Boot caching code?@Cacheable("users") public User getUser(int id) { return userRepository.findById(id).get(); } // Missing @EnableCaching annotation in main class | Spring Boot

Spring Boot - Caching

What is wrong with this Spring Boot caching code?

@Cacheable("users")
public User getUser(int id) {
  return userRepository.findById(id).get();
}

// Missing @EnableCaching annotation in main class

AThe method signature is incorrect

BThe cache name "users" is invalid

CCaching won't work without @EnableCaching annotation

DThe repository call is wrong

Step-by-Step Solution

Solution:

Step 1: Check caching setup requirements
Spring Boot requires @EnableCaching on a configuration or main class to activate caching support.
Step 2: Identify missing annotation impact
Without @EnableCaching, @Cacheable annotations are ignored and caching does not work.
Final Answer:
Caching won't work without @EnableCaching annotation -> Option C
Quick Check:
@EnableCaching is required to activate caching [OK]

Quick Trick: Always add @EnableCaching to activate caching [OK]

Common Mistakes:

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What is wrong with this Spring Boot caching code?