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Created by Fang on April 04, 2010 04:12:14    Last update: July 21, 2010 14:52:58
The tags <c:if> The <c:if> tag may be used with or without body content: <!-- Without body content, used to export vari... In my opinion, the version without body content is pretty much useless (the <c:set> tag is a lot more meaningful for this purpose). If body content exists, it is inserted into the page if the testCondition is true . Optional attributes var and scope may be specified. If var is specified, a variable whose name is the value of var is exported to the associated scope ( pageScope if no scope is specified). The type of the exported variable is Boolean and its value is the value of the testCondition . <c:choose>, <c:when>, <c:otherwise> These tags imitate the Java control structure if...else...
Created by Dr. Xi on January 08, 2010 03:53:37    Last update: January 08, 2010 03:54:56
This is an Ant custom task to merge Properties files I lifted from , with some minor bug fixes. Example usage: <taskdef name="mergeProperty" classname="ant.task.... Implementation: package ant.task.addon; import
Created by Dr. Xi on September 17, 2008 03:55:20    Last update: January 14, 2009 20:01:59
Java collections can only hold object references, so you have to box primitive values into the appropriate wrapper class (e.g., Integer for int ). When you take an Integer out of a collection, you have to unbox the object to primitive before you can do numerical calculations. The JDK 1.5 autoboxing feature makes this transparent to you. For example: Map<String, Integer> m = new HashMap<String, I...