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UncategorizedDataAccessException class
JDBC abstraction framework, 329
unchecked exceptions
checked exceptions compared, 127
exception handling, 125
OO design principles summarized, 173
Unified Software Development Process
risk management, 68
unique ID generation, 27
unique keys
see primary keys.
unit testing, 78-90
approach and benefits, 77
definition, 75
ease of running, 110
effect on coding style, 91
implications on coding style, 91
JSP pages, 101
main() method approach, 79
testing web specific issues, 101
web interfaces, 105
web tier components, 101
XP approach to testing, 77
unmarshaling
RMI (Remote Method Invocation), 653
update() method, JdbcTemplate class, 339
performing updates, 341
update() method, SqlUpdate class, 347
performing updates, 350
UrlHandlerMapping class, com.interface21.web.servlet
package, 473
user input, processing
data binding, 492
data validation, 496
DefaultUserValidator class, 499
sample application, 498
error messages, 494
web interfaces, 492
user interface, box office users
sample application, 198
user interface, public internet users
error handling, 185
sample application, 183
screens, 185
book seats screen, 191
confirm reservation screen, 196
display show screen, 189
payment details screen, 194
show reservation screen, 192
welcome screen, 188
workflow, 184
users, sample application, 180
administrators, 182
box office users, 181
user interface, 198
public internet users, 180
user interface, 183
util.concurrent package
web site, 23
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