Vector(Collection <? extends E > c) constructor from Vector has the following syntax.
public Vector(Collection <? extends E> c)
In the following code shows how to use Vector.Vector(Collection <? extends E > c) constructor.
/* w w w .j av a2 s . com*/ 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.