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Java hashset example.

Java hashset example.

Java hashset example.

HashSet is a collection. You can not store duplicate value in HashSet.

In this java hashset exmple, you will see how to create HashSet in java application and how to store value in Hashset. There is a method called add, it is used to store value in it.

Code:

CreateHashSet.java

package net.roseindia;

import java.util.HashSet;

public class CreateHashSet {

public static void main(String[] arg) {

HashSet obHashSet = new HashSet();

obHashSet.add("Bharat");

obHashSet.add("Gyan");

obHashSet.add("Ankita");

obHashSet.add("Vrishti");

System.out.println("All data of HashSet : " + obHashSet);

} }

Output :

All data of HashSet : [Gyan, Ankita, Vrishti, Bharat]

Related Tutorials

Collection : HashSet Example

Example of contains method of hashset in java.

Example of toArray() method of hashset in java.

Example of Hashset size() method in java.

Example of Hashset iterator method in java.

How to remove all element from Hashset.

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