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package com.softeem.demo;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;
/**
*@authorleno
*µ¥×Óģʽ£¬±£Ö¤ÔÚÕû¸öÓ¦ÓÃÆÚ¼äÖ»¼ÓÔØÒ»´ÎÅäÖÃÊôÐÔÎļþ
*/
publicclass Singleton {
    privatestatic Singleton instance;
    privatestaticfinal String CONFIG_FILE_PATH = "E:\\config.properties";
    private Properties config;
    private Singleton()
    {
      config = new Properties();
      InputStream is;
      try {
          is = new FileInputStream(CONFIG_FILE_PATH);
          config.load(is);
          is.close();
      } catch (FileNotFoundException e) {
          // TODO Auto-generated catch block
          e.printStackTrace();
      } catch (IOException e) {
          // TODO Auto-generated catch block
          e.printStackTrace();
      }
    }
    publicstatic Singleton getInstance()
    {
      if(instance==null)
      {
          instance = new Singleton();
      }
      returninstance;
    }
    public Properties getConfig() {
      returnconfig;
    }
    publicvoid setConfig(Properties config) {
      this.config = config;
    }
   
   
}
l    J2SE
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/**
    *¿½±´Ò»¸öĿ¼»òÕßÎļþµ½Ö¸¶¨Â·¾¶ÏÂ
    *@paramsource
    *@pa


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package mysqlConnection;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;
public class JdbcDemo {
public static void main(String[] args) {
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import java.util.*;
public class bycomma{
 public static String[] splitStringByComma(String source){
   if(source==null||source.trim().equals(""))
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