Create Vector test
import java.util.Vector; public class CreateVector { public static void main(String args[]) { { Vector v = new Vector(0); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); } { Vector v = new Vector(); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); v.addElement("Hello"); System.out.println(v.capacity()); } } }