Java Vector(Collection <? extends E > c) Constructor

Syntax

Vector(Collection <? extends E > c) constructor from Vector has the following syntax.

public Vector(Collection <? extends E> c)

Example

In the following code shows how to use Vector.Vector(Collection <? extends E > c) constructor.


/*from w  w  w.  j a  va 2s  . c  o  m*/

import java.util.ArrayList;
import java.util.Collection;
import java.util.Vector;

public class Main {
   public static void main(String[] args) {
           
     Collection<Integer> list = new ArrayList<Integer>();
     list.add(9);
      Vector  vec = new Vector(list);

      
      vec.add(4);
      vec.add(3);
      vec.add(2);
      vec.add(1);

      System.out.println(vec);    
   } 
}

The code above generates the following result.