[Java] Leetcode 138. Copy List with Random Pointer (using HashMap) [LinkedList #6]

Опубликовано: 30 Апрель 2026
на канале: Eric Programming
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In this video, I'm going to show you how to solve Leetcode 138. Copy List with Random Pointer (using HashMap) which is related to LinkedList .


In fact, I also have a whole section of solving leetcode questions and categorize them: https://www.youtube.com/c/EricProgram...

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Here’s a quick rundown of what you’re about to learn:


⭐️ Course Contents ⭐️
⌨️ (0:00) Question
⌨️ (1:15) Solution Explain
⌨️ (5:35) Code


In the end, you’ll have a really good understanding on how to solve Leetcode 138. Copy List with Random Pointer (using HashMap) and questions that are similar to this LinkedList .


Now, if you want to get good at LinkedList , please checkout my LinkedList playlist.    • Leetcode: LinkedList  


#leetcode #programming #softwareengineering #computerscience