[Java] Leetcode 380. Insert Delete GetRandom O(1) [Design #2]

Web Reference: Jan 2, 2010 · 7 It is the Bitwise xor operator in java which results 1 for different value of bit (ie 1 ^ 0 = 1) and 0 for same value of bit (ie 0 ^ 0 = 0) when a number is written in binary form. ex :- To use your example: The binary representation of 5 is 0101. The binary representation of 4 is 0100. Not only in Java, this syntax is available within PHP, Objective-C too. In the following link it gives the following explanation, which is quiet good to understand it: A ternary operator is some operation operating on 3 inputs. It's a shortcut for an if-else statement, and is also known as a conditional operator. In Perl/PHP it works as: While hunting through some code I came across the arrow operator, what exactly does it do? I thought Java did not have an arrow operator. return (Collection<Car>) CollectionUtils.select(list...

YouTube Excerpt: In this video, I'm going to show you how to solve Leetcode 380. Insert Delete GetRandom O which is related to Design. In fact, I also have a whole section of solving leetcode questions and categorize them: https://www.youtube.com/c/EricProgramming/playlists?view=50&sort=dd&shelf_id=2 In the end, you’ll have a really good understanding on how to solve Leetcode 380. Insert Delete GetRandom O and questions that are similar to this Design. Now, if you want to get good at Design, please checkout my Design playlist. https://youtube.com/playlist?list=PL1MJrDFRFiKZrAgdOwaC7qfi2dMeFaHSY ━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔗 RESOURCES & LINKS 💬 Free Community & Support Join our Discord: https://discord.com/invite/erictech 📅 Work With Me New Projects - Free Strategy Call: https://calendar.app.google/sB9KrJP6e8j3EPmd9 Technical Consultation (Paid 1:1): https://calendar.app.google/BU9D589X3KNxnTeg6 🤝 Let's Connect LinkedIn: https://www.linkedin.com/in/ericwtech/ ━━━━━━━━━━━━━━━━━━━━━━━━━━

In this video, I'm going to show you how to solve Leetcode 380. Insert Delete GetRandom O which is related to Design. In fact, I also have a whole...

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