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How Would I access the checked row of a table in UI into my Action Class?

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I'm developing an application in Struts where I'm displaying data from a table in the database inside the <table> tag in my jsp. I also am displaying a checkbox prefixed to each row in the jsp, so that a user would check a checkbox, upon which the checked row would become editable, and then edit the data in the table. On clicking the 'Save' button, the data would be captured and populated as a list of Value Objects. I'm displaying data from the database in <logic:iterate> in my jsp. I'm able to determine which row was checked in my action form, my problem is how would I determine which row(s) were checked in the action class and how would I access the data in those rows in the Action class? I'm keenly awaiting help on this.
Thanks in advance.

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