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Using HashMap in ActionForm class

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In my page i like to write like this:

<html:form action="/hashmaptest">
<html:text property= "setValue(firstName)" />
<html:submit property="submit"/>

means i want to make a HashMap in ActionForm class.
Please tell me that how to code for ActionForm Class.

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See the heading "Mapped Properties" in this link for an explanation of how to use mapped properties.

In your example, the following would work:

<html:text property="myMap(firstName)" />

provided you have a HashMap in your ActionForm bean and getMyMap(String key) and setMyMap(String key, String value) methods.
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