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Founder of javainsimpleway.com I love Java and open source technologies and very much passionate about software development. I like to share my knowledge with others especially on technology :) I have given all the examples as simple as possible to understand for the beginners. All the code posted on my blog is developed,compiled and tested in my development environment. If you find any mistakes or bugs, Please drop an email to kb.knowledge.sharing@gmail.com Connect with me on Facebook for more updates

Remove HashSet elements

We can use remove() method of HashSet to remove elements from HashSet collection boolean remove(Object obj) Example import java.util.*; public class HashSetRemoveExample {    public static void main(String args[]) {             HashSet<String> hs =  new HashSet<String>();         hs.add("java");       hs.add("c");       hs.add("c++");   […]

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Add elements in HashSet

We can use add() method of HashSet to add elements to HashSet collection boolean add(Object obj) It adds the element obj to the Set. Example import java.util.HashSet; public class HashSetAddExample {    public static void main(String args[]) {             HashSet<String> hs =  new HashSet<String>();         hs.add("java");   […]

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