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     ÈçÌ⣡½â¾öµÄ·½·¨ÊÇÔö¼ÓÒ»¸öÐé±³¾°¡£Ö®ºó°ÑÐé±³¾°Ôö¼Óµ½Ô­À´µÄFrameÉÏ¡£ÓÉÓÚrepaint()µ½paint()ÖмäÉæ¼°µ½update(),ËùÒÔ½â¾öÎÊÌâµÄ
¹Ø¼üÊÇÔÚÖØÐ´update(),ÔÚÕâ¸ö·½·¨ÖÐʵÏÖÐé±³¾°µÄÌí¼Ó~~
   @Override
public void update(Graphics g) 
{
if(offScreenImage == null)
{
offScreenImage = this.createImage(800, 600);
}
/*
*¶¨ÒåÔÚÐé±³¾°Öл­µÄ“»­±Ê”
*/

Graphics graOffScreen = offScreenImage.getGraphics();

/*
*ÖØ»­Ðé±³¾° 
*/
Color c = graOffScreen.getColor();
graOffScreen.setColor(Color.GREEN);
graOffScreen.fillRect(150, 150, 800, 600);
graOffScreen.setColor(c);


paint(graOffScreen);

g.drawImage(offScreenImage, 0, 0, null);
}


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sql 2005 ´æ´¢¹ý³Ì·ÖÒ³ java ´úÂë

 create PROCEDURE pagelist
@tablename nvarchar(50),
@fieldname nvarchar(50)='*',         
@pagesize int output,--ÿҳÏÔʾ¼Ç¼ÌõÊý
@currentpage int output,--µÚ¼¸Ò³
@orderid nvarchar(50),--Ö÷¼üÅÅÐò
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java¶ÁÈ¡ excel Îı¾

 package javatest1014;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
public class ReadExcel{
 
 public static void main(String[] args){
  
  jxl.Workbook workbook=getWorkBook();
        ......

Effective java ´úÂëÓÅ»¯ÊµÀý

package chape7;
/**
* 檢²é參數µÄÓÐЧÐÔ
*    當編寫·½·¨»òÕß構ÔìÆ÷時£¬應該¿¼慮ËûµÄ參數ÓÐʲ÷áÏÞÖÆ 應該°É這ЩÏÞÖÆ寫ÔÚÎÄ檔ÖУ¬並ÇÒÔÚ這個·½·¨µÄ開頭 ......

Effective Java¶ÁÊé±Ê¼Ç

package chape8;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
/**
* µÚ°ËÕ ͨÓóÌÐòÉè¼Æ
* µÚ45Ìõ£º ½«¾Ö²¿±äÁ¿µÄ×÷ÓÃÓò¼õСµ½×îС
*   ½«¾Ö²¿±äÁ¿µÄ×÷ÓÃÓò×îС»¯¡£¿ÉÒÔÔöÇ¿´úÂëµÄ¿É¶ÁºÍ¿Éά»¤ÐÔ£¬²¢½µµÍ³ö´íµÄ¿ÉÄÜÐÔ
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