How can we communicate from struts to ejb?

The ActionClass overrides execute() method.
Then in body of execute() method:
  * Get Initial Context 
  * Get home object using JNDI look up.
  * Create the bean and call the business methods.

Why we use Struts framework in project? 

Struts framework follow the Model-View-Controller design pattern. Struts framework provides the centralised control to throughout the Web application. If the application is big like any banking applic

Can I have an Action without a form? 

Yes! If your Action does not need any data and it does not need to make any data available to the view or controller component that it forwards to, it doesn't need a form. 
A good example of an Actio

Can I have more than one struts-config.xml file for a single Struts application?

Yes! One can have more than one struts-config.xml file for a single Struts application. You can define different struts-conifg.xml file for different modules in a single web application. It is useful 

Describe the <tiles:useAttribute/> and <tiles:importAttribute/> tags in Tiles tag library in Struts framewrok?

The <tiles:useAttribute/> tag is used to retrieve a Tiles object from the Tiles context and expose that object as a scriptlet variable. The <tiles:useAttribute/> tag has no body and supports five attr

Describe the attributes of <action> sub-element?

The attributes of <action> Sub-Element:
  * path : Represents the context-relative path of the submitted request.
  * type : Specifies the fully qualified class name of the Action class being descri

Describe the attributes of the <html:button/> tag in the HTML tag library defined in the Struts.

The <html:button/> tag is used to render an HTML <input> element with an input type of button. The <html:button/> tag has a body type of JSP and supports the following attributes:  
  * property : Id

Describe the details of XML files used in the “Validator Framework”? 

The Validator Framework uses two XML configuration files:
  * validator-rules.xml and
  * validation.xml.
The validator-rules.xml defines the standard validation routines. These are reusable and us

Describe the purpose of the Action class?

The org.apache.struts.action.Action class is a most common component of the Struts Controller. This class must be extended for each specialized Struts function in your application. The collection of t

Describe the scope of the Tile in the Struts application?

The Tiles framework defines an additional scope called Tile scope. Like page scope, Tile scope is more private than request scope. It allows the user of the Tile to pass arguments (called parameters)