可不可以用Vector的数组
import java.util.*;
public class TryVector
{
public static void main(String[] args)
{
Vector[] va=new Vector[2];//可以这样定义么?
String[] firstnames={"jack","jill","john","joan","jeremiah","josephine"};
for (int i=0;i<firstnames.length;i++)
va[1].add(firstnames[i]);
for (int i=0;i<names.size();i++)
System.out.println((String)va[1].get(i));
}
}