what is the difference between ActionContext and ValueStack in struts2

Question

I am unable to understand how parameters go into ValueStack . How the parameters are passed.

what is the use of value stack and ActionContext?

I am having a variable name with getter & setter in my Action class,where will be the values be stored.

Answer 1

The ActionContext is the context in which an Action is executed. Each context is basically a container of objects an action needs for execution like the session, parameters, locale, etc.

ValueStack - Contains all the application-domain–specific data for the request