Java™ Application Development on Linux - Dator

19.3 How to Write a JSP <strong>Application</strong>429...We’ve put a comment just prior to the tag. What will happen is thatthe comment will be part of the generated HTML, and since this is a loop, thecomment, just like the and other tags, will be repeated for each iterationof the loop. Now we’re not saying this is undesirable—in fact it makes the resultantHTML more readable. But be aware that these comments will be visibleto the end user. Be careful in what you say in them. The additional transmissiontime required for these few extra bytes is probably imperceptible, unless yourcomments are large and repeated many times.19.3.2 DeclarationThe other place that code can be placed is outside the doGet() and doPost().It is still inside the class definition for the servlet class that gets generated fromthe JSP, but it is not inside any method. Such code is delimited like this:The exclamation mark makes all the difference. Since it’s outside anymethod, such code typically includes things like variable declarations andcomplete method declarations. For example: