Thursday, July 7, 2011

Java and Ajax

AJAX is now positioned as the 'it' technology and many developers are being forced (sometimes kicking and screaming) into this new world. I have been impressed by the scarce information that I've seen about people using AJAX in real 'non-toy' situations to implement major systems and the issues that are associated with it. I've seen many examples in frameworks such as Echo2 and DWR, but I haven't seen a lot of discussion about what the various pitfalls are of these approaches. I've also not seen anyone do any in-depth analysis of integrating the various java web tier technologies (JSP, WebMacro, FreeMarker, etc) with the AJAX frameworks (DOJO, Scriptaculous, etc).

So if you're an AJAX person, what is your reason for using AJAX? What frameworks are you using to build out your architecture? What tools are you using for development / debugging? And if you can, give us a postmortem of your experiences with a real world project.

Monday, October 11, 2010

Topic: Java Interview Collections 8?

71. What is durable subscription

In a JMS publish/subscribe messaging system, a
subscription that continues to exist whether or not
there is a current active subscriber object. If there
is no active subscriber, the JMS provider retains the
subscription's messages until they are received by the
subscription or until they expire.

Sunday, October 10, 2010

Topic: Java Interview Collections 7?

61. What is declaration

The very first thing in an XML document, which
declares it as XML. The minimal declaration is . The
declaration is part of the document prolog.

62. What is declarative security


Mechanisms used in an application that are expressed
in a declarative syntax in a deployment descriptor