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Here I am writing a way to implement Hashset. HashSet creates hashtable to store the data. As it implements Set interface so it doesnt contains duplicate elements. It also extends AbstractSet class.

//import java.util.HashSet; // importing the HashSet collections from java.util package import java.util.*; // importing everything from the java.util collections package System.out.println(H1); // ...

Use a HashSet to automatically dedupe the List. Write your own Java algorithm to remove duplicates from a List. Optimize your own algorithms with standard Java classes. Remove duplicates with Java’s ...

Transcript - How a Java HashMap internal implementation works One of the most common Java interview questions, and it is an advanced Java interview question, is: How does a Java HashMap work?They're ...