[Java] Are you using them without thinking? Correct usage and characteristics of List, Set, and Map

Are you just using ArrayList whenever you need to group data?What are the specific scenarios where Set or Map are the correct ...
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README.md

To understand how Set maintains uniqueness, it's helpful to learn how Map works internally. So, Good to have a read about Map first. PRESENT is a constant placeholder object used as the value in the ...
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A curated collection of Java programming concepts, problem-solving programs, and DSA practice questions created during my learning journey.

AddTwoList.java Anagram.java BinarySearch.java ECommerce.java EvenlyDivides.java Find-lucky-integer-in-an-array.java GetLastDigit.java Hashsets.java Main.java MiniBank.java MultipleValuesPrinting.java ...