Java Collection Tutorial - Java HashSet(int initialCapacity) Constructor

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Syntax

HashSet(int initialCapacity) constructor from HashSet has the following syntax.

public HashSet(int initialCapacity)

Example

In the following code shows how to use HashSet.HashSet(int initialCapacity) constructor.

import java.util.HashSet;
/*from   w w w .j  a  va2s  . co  m*/
public class Main{
    public static void main(String args[]) {
        HashSet<String> hs = new HashSet<String>(20);

        hs.add("java2s.com");
        hs.add("j a v a2s.com");

        System.out.println(hs);
    }
}

The code above generates the following result.

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