To retrieve information from a ResultSet, the user needs to know the methods that can be used to access the data. A ResultSet is a table of data that represents the results of a database query.

Now let's go through each option and explain why it is right or wrong:

A. O (a) By invoking the method get (..., String type) on the ResultSet, where type is the database

This option is incorrect because there is no method get (..., String type) in ResultSet. The method get() can be used to retrieve data from the ResultSet, but it requires the index or the name of the column. The String type parameter is not valid.

B. O (b) By invoking the method get (..., Type type) on the ResultSet, where Type is an object

This option is incorrect because there is no method get (..., Type type) in ResultSet. The method get() can be used to retrieve data from the ResultSet, but it requires the index or the name of the column. The Type type parameter is not valid.

C. O (c) By invoking the method getValue (...), and cast the result to the desired java type.

This option is incorrect because there is no method getValue() in ResultSet. The method get() can be used to retrieve data from the ResultSet, but it requires the index or the name of the column. Additionally, the method get() returns an object that needs to be cast to the desired data type.

D. O (d) By invoking the special getter methods on the ResultSet: getString (...), get Boolean (...),

This option is correct. ResultSet provides special getter methods such as getString(), getInt(), getBoolean(), etc. that can be used to retrieve data from the ResultSet. These methods take the index or the name of the column as a parameter and return the value of the column as the desired data type.

The Answer is: D