Hello Rheno,
You use a String URL to pass as a parameter to the getConnection metthod
like this;
Connection getConnection(String URL).
A URL (Uniform Resource Locator) provides a common way of finding resources
on the Internet.  In general the format of a URL is as follows:

<protocol>:<subprotocol>:<subname>

For a jdbc connection, the protocal is always "jdbc".  The subprotocol will
be typically the name of the driver for this specific database connection,
in the case of MySQL, the Connector/J driver requires the subprotocol to be
defined as "mysql".  The subname is a little bit more complex as it defines
the specific information about this connection, i.e; the source of the
database.  It consists of 3 different components in the following general
format:

//<host>[:<port>][/<databasename>]

where host is the domain name or IP address of the server hosting the db.
The port number identiefies the port that accepts the connection, in your
case this will be typically 3306 (defaulted). and of course the final
element is the db name.

Some examples:
jdbc:mysql://192.168.0.2/mydb
jdbc:mysql://linuxserver:4505/myotherdb
jdbc:mysql://friend.company.com/yourfriendsdb

Hope this helps,
Brgds Herman