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import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.huadoo.model.Area;
public class Aaaa {
 /**
  * @param args
  */
 public static void main(String[] args) {
  // TODO Auto-generated method stub
        List list=new ArrayList();
        Map map=new HashMap();
      
        Area area=new Area();
        area.setId(Short.parseShort("1"));
        area.setName("aaaa");
       
        Area area1=new Area();
        area1.setId(Short.parseShort("2"));
        area1.setName("bbb");
       
        Area area2=new Area();
        area2.setId(Short.parseShort("3"));
        area2.setName("ccc");
       
        list.add(area);
        list.add(area1);
        list.add(area2);
       
        int num=3;
        for(int a=0;a<num;a++)
        {
         int intnum=(int)(Math.random()*list.size());
            if(map.size()!=0)
            {
             for(int i=0;i<map.size();i++)


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Java Êý¾Ý¿âµÄUtil

 import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import com.paic.is.dispatch.TMPEntry;
import javapassword ......

Java Òì³£´¦Àí

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintWriter;
public class ExceptionDefaultHandler
{
private final static String _relativeExceptionLogPath = "log";
private final static String _defaultExceptionLogFileName = "exception.log";
......

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 /**
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* @param pathÖ¸¶¨Â·¾¶
* @param context ҪдµÄÄÚÈÝ
*/
public static void writeFile(String path, String context) {
// ´Ó¿ØÖÆÌ¨ÊäÈëÄÚÈÝдÈëÎļþ
try {
FileWriter fw = new FileWriter(path, true);
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1£º JAVA_HOME £º  C:\Program Files\Java\jdk1.6.0_12
2£ºCLASSPATH £º    .;%JAVA_HOME%\lib;%JAVA_HOME%\lib\tools.jar
3£ºPATH £º              %JAVA_HOME%\bin;%JAVA_HOME%\jre\bin
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ÔÚEclipseºÍNetBeansÖе¼ÈëJava API

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