An example for obtaining a connection to MySQL database. For connecting to other database all you have to do is change the url to match to url format for a particular database and of course you have to register a correct JDBC driver of the database you are using.
import java.sql.DriverManager;
import java.sql.Connection;
public class ConnectionSample
{
// Below is the format of jdbc url for MySql database.
public static final String URL =
"jdbc:mysql://localhost/testdb";
// The username for connecting to the database
public static final String USERNAME = "root";
// The password for connecting to the database
public static final String PASSWORD = "";
public static void main(String[] args) throws Exception
{
Connection connection = null;
try
{
// Register a database jdbc driver to be used by
// our program. In this example I choose a MySQL
// driver.
Class.forName("com.mysql.jdbc.Driver");
// Get the connection object from the driver manager
// by passing the url of our database, username and
// the password.
connection = DriverManager.getConnection(URL,
USERNAME, PASSWORD);
// Do what ever you want to do with the connection
// object, such as reading some records from database,
// updating or deleting a row. But don't for get the
// close the connection right after you've finished
// using it.
} finally
{
if (connection != null)
{
connection.close();
}
}
}
}
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