Implementing LRU Cache using LinkedHashMap in Java

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In this video you will learn how to implement LRU cache using LinkedHashMap in java
Below is the GitHub link to download source:
  1. KK JavaTutorials
  2. Use LinkedHashMap to implement LRU cache
  3. Implementing LRU Cache using LinkedHashMap in Java
  4. Design and Implement a Least Recently Used (LRU) Cache in Java interview question
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Комментарии
Автор

Sir With due respect, this is not the LRU cache implementation. Here you are randomly removing the oldest inserted object but it should not be the case with LRU. In LRU you have to remove the oldest referred object.

So to give example, Step 1: if the size is two and you have inserted 1001 and 1002
Step 2: You have referred 1001, get(1001)
Step 3: Insert 1003

This should evict 1002 instead of 1001.

subratkumarpadhi
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Hi Kishan, can you please tell me during second run when you passed size as 2 why last two element got returned? I was thinking first two will be retuned.

sachinmandal
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Sir How to get data without multiple request to Cache memory with Multiple Session at that time???

parassuryawanshi