[Jack]

try :

Code:

import java.util.*;
class Testing extends Vector
{
  public Testing()
  {
    String[] str = {"a","b","c","1","2","3"};
    Vector vec = new Vector(Arrays.asList(str));
    for(int x = 0; x < vec.size(); x++) System.out.println((String)vec.get(x));
    vec.subList(2,4).clear(); //<-------------------------
    for(int x = 0; x < vec.size(); x++) System.out.println((String)vec.get(x));
  }
  public static void main(String[] args){new Testing();}
}