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java jdbc Á¬½ÓOracle9i

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package com.lxh.dbcon;//´ò°ü
import java.sql.*;//µ¼Èësql°ü
public class DbCon {//¶¨ÒåÁ¬½ÓÀà
 private final String DRIVER="oracle.jdbc.driver.OracleDriver";//OracleµÄÇý¶¯
 private final String URL="jdbc:oracle:thin:@localhost:1521:Oracle9i";//Oracle9iΪOracleµÄÖ÷»ú´®Ãû£¨Ò²¾ÍÊÇOracleµÄSID£©ÔÚ×°OracleµÄʱºòÌîдµÄSID
 private final String DBUSER="scott";//ÕâÀï¾ÍÒÔscott/tigerΪÓû§µÇ¼
 private final String DBPASSWORD="tiger";
 private Connection con=null;//Ô¤Ïȶ¨ÒåÒ»¸öÁ¬½Ó½Ó¿Ú
 
 public DbCon() {//ÔÚ¹¹Ôì·½·¨ÖмÓÔØÊý¾Ý¿âÇý¶¯
  try{
   Class.forName(DRIVER).newInstance();
  }catch(Exception e){
   e.printStackTrace();
  }
 }
 public Connection getConnection(){ //Á¬½ÓÊý¾Ý¿âµÄ·½·¨
  try{
   con=DriverManager.getConnection(URL,DBUSER,DBPASSWORD);
  }catch(Exception ew){
   ew.printStackTrace();
  }
  
  return con;
 }
}
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public class TestNative
{
private native static int Max(int a,int b);
public static void main(String[] args)
{
System.out.println(Max(4,5));
}
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{
System.loadLibrary("VCdll");
}
}
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