Cache configuration in Spring Boot - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the purpose of cache configuration in Spring Boot?

Cache configuration in Spring Boot helps store frequently accessed data temporarily to speed up application response and reduce load on data sources.

beginner

Which annotation enables caching support in a Spring Boot application?

The @EnableCaching annotation enables caching support in a Spring Boot application.

beginner

How do you define a cacheable method in Spring Boot?

Use the @Cacheable annotation on a method to tell Spring Boot to cache its result based on input parameters.

intermediate

What is the role of CacheManager in Spring Boot caching?

CacheManager manages cache instances and their configurations, deciding how caches are created and accessed.

beginner

Name two common cache providers supported by Spring Boot.

Spring Boot supports cache providers like Ehcache and Redis for caching data.

Which annotation do you use to enable caching in Spring Boot?

A @EnableCaching

B @CacheConfig

C @Cacheable

D @CachePut

The @EnableCaching annotation activates Spring Boot's caching mechanism.

What does the @Cacheable annotation do?

A Disables caching for a method

B Clears the cache

C Configures cache properties

D Marks a method whose result should be cached

@Cacheable tells Spring to cache the method's return value for given inputs.

Which of these is NOT a supported cache provider in Spring Boot by default?

A Ehcache

B Redis

C Memcached

D Hazelcast

Memcached is not supported by default; others like Ehcache, Redis, and Hazelcast are.

What is the role of CacheManager in Spring Boot?

A Manages cache instances and their lifecycle

B Stores data permanently

C Handles database connections

D Manages user sessions

CacheManager creates and manages caches used by the application.

How do you clear a cache entry in Spring Boot?

A Use @Cacheable annotation

B Use @CacheEvict annotation

C Use @EnableCaching annotation

D Use @CacheConfig annotation

@CacheEvict is used to remove cache entries when data changes.

Explain how to enable and configure caching in a Spring Boot application.

Think about annotations and cache providers.

Describe the difference between @Cacheable and @CacheEvict annotations in Spring Boot.

One adds to cache, the other removes from cache.