Answer Posted / anjaneyulu

Struts framework is mainly used for WebApplications Actully Struts framework is all are classes not implements theinterface.

whenever develop applicatoion in two ways:
1.Programming through interface
2.Programming through class
Struts drawbacks:

1.better way is Programming through interfaces so that struts not support that(i.e all are predifined class.. Action,DiaspatchAction,SwitchAction)
2.This framework is tightcoupling.it is not separated layerwised
3.It is not Suuport to DependencyInjection
4.We have to hard code to use
applications like hibernate, jdbc, etc.

SPRING:
overcome the above problems Spring will be introduced
Spring Application develop through Interface
It suport DI.
It is layerwise designed.
It is loosecoupling
Spring suport MVC and Other MVC
Spring Application allways flow DesginPatterns
Spring support to POJO'S AND POJI(i.e it is not api dependent)
spring without hard coding in application as spring supports
classes hibernate, jdbc, and many more. This is very little
to say about spring. There are many features to be known.

Hi Friends , am newbie to ajax. For example just consider one account registration - A form contains 8 text fields with submit button. In this form second texbox contains "username " . On right side of text box there is a label box . On clilck action i need to determine user is available or not. Is it possible on clicking label or should i click submit button.

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