INTERVIEW QUESTIONS J2EE SERVLET DETAILS

Question: We have two applications in that we have two servlets each.How they(servlets) communicate with each other ?

Answer: Connect both application with same data base

1.

2. update the data close the connection

3 call the II app to

Connect both application with same data base

1.

2. update the data close the connection

3 call the II app to
Source: CoolInterview.com

If the applications are running in same Web Container ,communicating two servlets is possible

let there be two web applications wone and wtwo
one.jsp and two.jsp are two resources in wone and wtwo respectively
//one.jsp
<%
ServletContext wt=application.getContext("/wone");
RequestDispatcher rd=wt.getRequestDispathcher("/Two.jsp")
rd.forward(request,response);
%>

Source: CoolInterview.com

displayed answer is not correct, If i dont want use database then what will happen.
How these two servlet are communicate with each other if servlet are in diffrent application. Source: CoolInterview.com

We have two applications in that we have two servlets each.they(servlets)are communicate with each other using ServletContext Interface
ServletContext ctx=getServletContext()
ServletContext otherServ=ctx.getContext("/otherApp/index.html");
String s=otherServ.getAttribute("com.xyz.abc");


Source: CoolInterview.com

when two applications have two servlets.
Then first we create ServletContext object for first web application servlet.And use that ServletContext object and to getContext(second webapplication root name)
....
Source: CoolInterview.com

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