Copy all elements of HashSet to an Object Array - Java Collection Framework

Java examples for Collection Framework:HashSet

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Description

Copy all elements of HashSet to an Object Array

Demo Code

 
import java.util.HashSet;
 
public class Main {
 
  public static void main(String[] args) {
    HashSet hSet = new HashSet();
   // w  w w. ja va  2 s  .c  om
    hSet.add(new Integer("1"));
    hSet.add(new Integer("2"));
    hSet.add(new Integer("3"));
   
    Object[] objArray = hSet.toArray();
   
    for(int index=0; index < objArray.length ; index++)
      System.out.println(objArray[index]);
  }
}

Result


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