Design Least Recently Used (LRU) Cache Algorithm

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• Algorithms and Data Structures: TheAlgorist.com
  
• System Design: DistributedComputing.dev
  
• Low Level Design: LowLevelDesign.io
  
• Frontend Engineering: FrontendEngineering.io
  

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Problem Statement:

Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations: get and put.

getContent(key) - Get the value of the key if the key exists in the cache.

insertContent(key, value) - Set or insert the value if the key is not already present. When the cache reached its capacity, it should invalidate the least recently used item before inserting a new item.

Java and Python Solution:

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