Java 多线程 之 join加入 线程实例

http://www.verejava.com/?id=16992940862472

package com.join;


import java.util.*;

public class TestJoin {

    public static void main(String[] args) {
        View view = new View();

    }
}

class View {
    
    private String[] listView;

    public View() {
        Thread t = new Thread(new DownloadThread());
        t.start();

        try {
            t.join();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }

        for (String str : listView) {
            System.out.println(str);
        }
    }

    public String[] getListView() {
        return listView;
    }

    class DownloadThread implements Runnable {

        @Override
        public void run() {
            try {
                String[] countrys = { "北京", "上海", "天津", "重庆", "广州", "深圳", "武汉" };
                listView = new String[countrys.length];

                for (int i = 0; i < countrys.length; i++) {
                    listView[i] = countrys[i];
                    Thread.sleep(1000);
                }
            } catch (Exception e) {
                e.printStackTrace();
            }

        }

    }

}

http://www.verejava.com/?id=16992940862472