Utilizing Servlets for Web Applications - Java Programming: Comprehensive Concepts and Techniques - page 802

The following steps enter the code to override the servlet init() and destroy()
methods.

To Override the init() and destroy() Servlet Methods

1. Enter lines 20 through 42 as shown in Figure 12-16 on page 800.
TextPad displays the init() method for the servlet (Figure 12-17). The init()
method creates a new StockTrackerDB object, establishing a connection to
the database.

exceptions
caught,
producing
stack trace
and exiting

instance variable

creates new
StockTrackerDB
object

init() method

FIGURE 12-17

2. Enter lines 43 through 69 as shown in Figure 12-16 on the previous page.
TextPad displays the destroy() method for the servlet (Figure 12-18).
The destroy() method calls the StockTrackerDB close() method, closing
the database connection.

StockTrackerDB
close() method

exceptions
caught,
producing
stack trace
and exiting

destroy()
method

FIGURE 12-18