Hi friend,

import java.sql.*;
import java.io.*;

public class ConnectionPool{
public static void main(String[] args){
Connection con = null;
String url = "jdbc:mysql://localhost:3306/";;
String db = "register";
String driver = "com.mysql.jdbc.Driver";
Statement st = null;
ResultSet rs = null;
try{
Class.forName(driver);
con = DriverManager.getConnection(url+db,"root","root");
System.out.println("Connected to the database");
con.close();
}
catch(Exception e){
System.out.println(e);
}
}
}


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read for more information,

http://www.roseindia.net/jdbc/