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#cache

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2 articles

LRU Cache Implementation in Java: $O(1)$ Strategy

The LRU (Least Recently Used) Cache is one of the most popular interview questions because it tests your ability to design a custom data structure. It requires you to maintain a fixed-size cache and, when full, evict the…

Apr 19, 20263 min read

Deep Dive

#dsa#java#cache

DatabasesAdvanced

Redis Beyond Cache: Sorted Sets, Streams, and Pub/Sub Patterns

Most teams use Redis for one thing: caching. They store objects with a TTL, check the cache before hitting the database, and call it a day. This barely scratches the surface. Redis is a data structure server. Its real po…

Jan 22, 202513 min read

Deep Dive

#redis#cache#java