can anyone suggest me the step by step learning of liferay portlet? I mean from where you can start? from where you can get help and instead of going directly to the middle can we go one after another like a step so that we can use our previous learning to the next? I need to start working on it after 1 month.. Thanks.
Liferay Portal is an implementation of Java Portlet Specification. Thus, the first thing you need to do is understand it. There is two versions of this specification:
Here are a couple of links to step by step learning on this topic:
After that, you may take a look at the documentation specifically for Liferay:
In addition, if you use Spring Framework in your projects, you might be interested in reading about Spring Portlet MVC, that supports JSR-168 portlet development.