September 2003
Intermediate to advanced
784 pages
18h 4m
English
Content preview from Servlets and JavaServer Pages™: The J2EE™ Technology Web TierBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 4. Exception Handling
Exceptions are an integral part of the Java programming language. When a program violates the rules of Java, the Java Virtual Machine halts execution of the program and generates an exception. Managing exceptions is something every Java program must do. Servlets and JSP are no different. Until now, the topic of programming errors has largely been ignored in favor of introducing JSP and Servlets. While necessary for the start of this book, errors are inevitable and need to be understood so they can be dealt with appropriately. It is the goal of this chapter to clearly explain what exceptions are and how to deal with them in Servlets and JSP.
This chapter discusses the following topics:
A general review of Java's support ...
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