How to implement LRU Cache in Java

By | June 9, 2018

This post talks about How to implement LRU Cache in Java

What is LRU (Least Recently Used) Cache?

When the Cache reaches its maximum capacity, then the least recently used item should be invalided before inserting a new Item into cache.

Below is the LRU Implementation

Here Employee object we are putting as key in the LRU cache and Department object as value.



Below is the LRU cache implementation in java using Generics

Here is the client program to test LRU cache.

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