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