i need the help for connecting mysql with java in ubuntu OS

I have my java application and try to connect with mysql database.But i can't able to get the output,i am getting the Exception error.I think i am not able to connect with the driver.My OS is Linux(Ubuntu).

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nikki@nikki-laptop:~$ java -version
java version "1.6.0_20"
OpenJDK Runtime Environment (IcedTea6 1.9) (6b20-1.9-0ubuntu1)
OpenJDK Client VM (build 17.0-b16, mixed mode, sharing)

nikki@nikki-laptop:~$ echo $JAVA_HOME
/usr/java/jdk1.6.0_20/bin/java


nikki@nikki-laptop:~$ echo $CLASSPATH
.:/usr/share/java/mysql.jar:/home/nikki/temp/src/jclass

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My jdk path is /usr/lib/jvm/java-1.6.0-openjdk/jre

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My Java program is

import java.sql.*;
class Query1
 {
 public static void main(String args[])throws Exception
 {
 try
 {  // the mysql driver string
  Class.forName("com.mysql.jdbc.Driver").newInstance ();
  // the mysql url = "jdbc:mysql://THE_HOST/THE_DATABASE";

  //String url = "sun.jdbc.odbc.JdbcOdbcDriver";

  String url ="jdbc:mysql://localhost/mylib_db";

  Connec开发者_StackOverflow社区tion conn = DriverManager.getConnection(url,"nikki","dkm007");
 Statement stmt = conn.createStatement();
 //ResultSet rs;
 ResultSet rs = stmt.executeQuery("select title from Book_dim where cost=435.89");
 while (rs.next())
 {
 String titlename = rs.getString("title");
 System.out.println(titlename + "\n");
 }
  conn.close();

 }
  catch(Exception e)
  {
  System.err.println("Got an exception! ");
                System.err.println(e.getMessage());
  }
 }
 }

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My output is

-    -      -      -             -
nikki@nikki-laptop:~/Documents/Chinu/mydbP$ javac Query1.java
nikki@nikki-laptop:~/Documents/Chinu/mydbP$ java Query1
Got an exception! 
com.mysql.jdbc.Driver

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I didn't added any driver...i don't know which Driver should i use .How can i add driver? If possible plz send me the reply.

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You need to add the Driver to the classpath of you application.

nikki@nikki-laptop:~/Documents/Chinu/mydbP$ java -cp /path/to/mysqldriver.jar Query1

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You likely haven't included the mysql driver on the classpath. Download the JDBC driver from mysql and put the mysql-connector-java-[version]-bin.jar file on your classpath.

It would also be helpful to know more about just what exception is being thrown. Here is how you do that:

catch(Exception e)
{
    e.printStackTrace();
}

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Check these references out:

http://dev.mysql.com/doc/refman/5.1/en/connector-j-examples.html

http://dev.mysql.com/downloads/connector/j/

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Download the mysql jdbc driver and add it to your classpath.