Dynamic Server Pages and Output Templates Developer's Guide
If the variable is unset or an empty string, the given default value is printed instead. Default takes the one argument. Note. With ...
Simplifying Access to Java Code: The JSP 2 Expression LanguageNULL. Indicates that a value is either unknown or undefined. NULL is not equivalent to a blank or empty string (for character columns) or 0 (for numerical ... Tutorial: Using ThymeleafSpecifies the string that you want the server to insert when Variable contains an empty string. You specify the string in AnyString. For example: %value ... Building AJAX JSF Components - TechTargetEmpty values instead of error messages. ? In most cases, missing values or NullPointerExceptions result in empty strings, not thrown exceptions.
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