<rt id="bn8ez"></rt>
<label id="bn8ez"></label>

  • <span id="bn8ez"></span>

    <label id="bn8ez"><meter id="bn8ez"></meter></label>

    Vincent

    Vicent's blog
    隨筆 - 74, 文章 - 0, 評論 - 5, 引用 - 0
    數據加載中……

    java中對象的排序

    1:排序類

    package com.tixa.bad.customer.util;

    import java.util.ArrayList;
    import java.util.Collections;
    import java.util.Comparator;

    import com.tixa.bad.customer.data.AdstatGraphArea;

    /**
    ?* 對地區數據進行排序
    ?*
    ?* @StatAreaSort
    ?*
    ?* @author
    ?*
    ?* TODO
    ?*/
    public class StatAreaSort
    {
    ?/**
    ? * 點擊排序規則,倒序
    ? */
    ?private static Comparator orderClick = new Comparator()
    ?{
    ??public int compare(Object o1, Object o2)
    ??{
    ???AdstatGraphArea b1 = (AdstatGraphArea) o1;
    ???AdstatGraphArea b2 = (AdstatGraphArea) o2;
    ???return (b2.getClickcount() - b1.getClickcount());
    ??}
    ?};

    ?/**
    ? * ip排序規則,倒序
    ? */
    ?private static Comparator orderIP = new Comparator()
    ?{
    ??public int compare(Object o1, Object o2)
    ??{
    ???AdstatGraphArea b1 = (AdstatGraphArea) o1;
    ???AdstatGraphArea b2 = (AdstatGraphArea) o2;
    ???return (b2.getIpcount() - b1.getIpcount());
    ??}
    ?};

    ?/**
    ? * 根據點擊量進行排序
    ? *
    ? * @param list
    ? */
    ?public static void getSortClick(ArrayList list)
    ?{
    ??Collections.sort(list, orderClick);
    ??// Collections.reverse(list);
    ?}

    ?/**
    ? * 根據ip量進行排序
    ? *
    ? * @param list
    ? */
    ?public static void getSortIp(ArrayList list)
    ?{
    ??Collections.sort(list, orderIP);
    ??// Collections.reverse(list);
    ?}

    }
    2:對排序進行測試
    package com.tixa.bad.customer.util;

    import java.util.ArrayList;

    import junit.framework.TestCase;

    import com.tixa.bad.customer.data.AdstatGraphArea;

    public class StatAreaSortTest extends TestCase
    {

    ?protected void setUp() throws Exception
    ?{
    ??super.setUp();
    ?}

    ?protected void tearDown() throws Exception
    ?{
    ??super.tearDown();
    ?}

    ?/*
    ? * Test method for 'com.tixa.bad.customer.util.StatAreaSort.getSortClick(ArrayList)'
    ? */
    ?public void testGetSortClick()
    ?{

    ???ArrayList list = new ArrayList();
    ???
    ???AdstatGraphArea graAre = new AdstatGraphArea();
    ???graAre.setAdid(1);
    ???graAre.setClickcount(786);
    ???graAre.setIpcount(43453);
    ???list.add(graAre);
    ???
    ???AdstatGraphArea graAre1 = new AdstatGraphArea();
    ???graAre1.setAdid(2);
    ???graAre1.setClickcount(987876);
    ???graAre1.setIpcount(545);
    ???list.add(graAre1);
    ???
    ???AdstatGraphArea graAre2 = new AdstatGraphArea();
    ???graAre2.setAdid(3);
    ???graAre2.setClickcount(877887);
    ???graAre2.setIpcount(4534534);
    ???list.add(graAre2);
    ???
    ???AdstatGraphArea graAre3 = new AdstatGraphArea();
    ???graAre3.setAdid(4);
    ???graAre3.setClickcount(97998);
    ???graAre3.setIpcount(34534);
    ???list.add(graAre3);
    ???
    ???AdstatGraphArea graAre4 = new AdstatGraphArea();
    ???graAre4.setAdid(5);
    ???graAre4.setClickcount(500);
    ???graAre4.setIpcount(2000);
    ???list.add(graAre4);
    ???
    ???System.out.print("sore before ");
    ???for(int i = 0;i<list.size();i++)
    ???{
    ????AdstatGraphArea a = (AdstatGraphArea)list.get(i);
    ????System.out.println(a.getAdid());
    ???}
    ???
    ???StatAreaSort.getSortClick(list);
    ???
    ???System.out.print("sore after");
    ???for(int i = 0;i<list.size();i++)
    ???{
    ????AdstatGraphArea a = (AdstatGraphArea)list.get(i);
    ????System.out.println(a.getAdid());
    ???}
    ???System.out.println("----------------------");
    ???
    ???StatAreaSort.getSortIp(list);
    ???for(int i = 0;i<list.size();i++)
    ???{
    ????AdstatGraphArea a = (AdstatGraphArea)list.get(i);
    ????System.out.println(a.getAdid());
    ???}
    ?}

    ?/*
    ? * Test method for 'com.tixa.bad.customer.util.StatAreaSort.getSortIp(ArrayList)'
    ? */
    ?public void testGetSortIp()
    ?{

    ?}

    }

    posted on 2006-08-24 15:21 Binary 閱讀(343) 評論(0)  編輯  收藏 所屬分類: j2se

    主站蜘蛛池模板: 亚洲av最新在线观看网址| 在线a亚洲老鸭窝天堂av高清| 亚洲国产精品国产自在在线 | 免费中文字幕一级毛片| 亚洲Aⅴ无码一区二区二三区软件| 亚洲av午夜成人片精品电影| 久久精品国产亚洲AV未满十八| 免费人成再在线观看网站| 永久免费AV无码网站国产| 免费A级毛片无码A∨免费| 成人午夜视频免费| 在线亚洲午夜理论AV大片| 亚洲视频国产视频| 色窝窝亚洲av网| xvideos亚洲永久网址| 羞羞视频免费网站入口| 国内免费高清在线观看| 亚洲AV午夜成人片| 色窝窝亚洲av网| 久久亚洲高清综合| 亚洲AV永久无码精品放毛片| 999国内精品永久免费观看| 国产精品亚洲高清一区二区| 中文字幕无码亚洲欧洲日韩| 一个人免费视频在线观看www| 香港a毛片免费观看 | 一道本不卡免费视频| 无码国产精品一区二区免费式直播| 久久影院亚洲一区| 97国产在线公开免费观看| 亚洲国产精品无码久久久不卡| 免费观看亚洲人成网站| 成人毛片免费在线观看| 黄床大片30分钟免费看| 国产亚洲一区二区在线观看| 猫咪免费人成在线网站| 亚洲精品乱码久久久久久按摩 | 99久热只有精品视频免费看| 亚洲日韩精品一区二区三区| 国产精品国产亚洲区艳妇糸列短篇 | 最近中文字幕mv免费高清电影|