hello,
I am new to liferay, I would like to know the difference between this three method and when there are used:
1- ParamUtil.getString(request,"name1","value1")
2- PortletPreferences prefs = renderRequest.getPreferences();
String greeting = (String)prefs.getValue("name1","value2")
3- actionRequest.getParameter("name3")
Thanks
Regards
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