package com.yds.review.list11;

import java.util.Date;
import java.util.Vector;

public class TestVector{
    public static void main(String[] args) {
        Vector v = new Vector();
        v.add("1st");
        v.add("2nd");
        v.add(new Integer(3));
        v.add(new Double(4.0));
        v.add("2nd");      // 重复元素, 加入
        v.add(new Integer(3)); // 重复元素,加入
        System.out.println(v);        
        System.out.println("size=" + v.size());
        System.out.println("-----替换指定元素-----");    
        v.set(3,"replace");        
        System.out.println("-----for循环遍历-----");
        for(int i=0;i<v.size();i++){
            System.out.println(v.get(i));
        }        
        System.out.println("-----取用特定元素-----");        
        Integer it = (Integer)v.get(2);
        System.out.println(it.intValue());
        System.out.println("-----插入元素-----");        
        v.add(3,new Date());
        System.out.println("-----转换为数组-----");    
        Object[] os = v.toArray();
        for(Object o : os){
            System.out.println(o);    
        }        
    }
}