Java 集合 之 Vector

http://www.verejava.com/?id=17159974203844

import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import java.util.Vector;


public class Test {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        //打印输出  电影院 电影名称  
        Vector v=new Vector(); //线程安全
        List list=new ArrayList();//线程不安全
//        void addElement(Object obj)
        v.addElement(new Movie("变形精钢"));
        v.addElement(new Movie("喜洋洋"));
        v.addElement(new Movie("加勒比海盗"));
//        Int size()
        System.out.println(v.size());
//        Object elementAt(int index) 	
        Movie movie=(Movie)v.elementAt(2);
        System.out.println(movie.getName());
        
        for(int i=0;i<v.size();i++)
        {
            movie=(Movie)v.elementAt(i);
            System.out.print(movie.getName()+",");
        }
//        boolean remove(int index)	
        v.remove(2);
//        void clear()	.
        v.clear();
//         Enumeration elements()	
//                hasMoreElements()
//                nextElement()
        System.out.println("");
        Enumeration e=v.elements();
        while(e.hasMoreElements())
        {
            movie=(Movie)e.nextElement();
            System.out.print(movie.getName()+",");
        }
                

    }
}





public class Movie {
    private String name;

    public Movie(String name) {
        this.name = name;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }
    
    
}


http://www.verejava.com/?id=17159974203844

posted @ 2018-06-24 07:40  verejava  阅读(142)  评论(0)    收藏  举报