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Aug 21

Remove Duplicates from String using Java

Last Updated on May 26th, 2020 at 08:04 amIntroduction Removes duplicates from String will remove duplicate characters (if any) from String using Java programming language. For example, let’s say we have a string roytuts and we want to remove duplicates Continue reading

Nov 23

HashSet in Java

What is HashSet HashSet extends AbstractSet and is an implementation of Set interface. HashSet also implements Serializable and Cloneable interfaces. HashSet is backed by hash table(actually HashMap instance), i.e., the HashSet uses hash table(HashMap) to store collection elements. Like HashMap, Continue reading