设置矢量大小

import java.util.Vector;

 /**from 时代Java - N o w  J a v a . c o m**/

public class Main {

 

  public static void main(String[] args) {

    Vector v = new Vector();

   

    v.add("1");

    v.add("2");

    v.add("3");

    v.add("4");

    v.add("5");


    v.setSize(3);/**来 自 n o w j a v a . c o m - 时代Java**/

   

    System.out.println("Vector elements after setting size to 3");

    for(int index=0; index < v.size(); index++)

      System.out.println(v.get(index));

   

    v.setSize(5);

 

    System.out.println(