Home » Author Archives: Nitin Kumar

Author Archives: Nitin Kumar

Nitin Kumar works as a Software Architect , predominately focus on Agile, TDD, Service Oriented Architecture, Grails and JEE. Besides working in software development, He writes technical articles and watches and studies new technologies

Java Interview Reference Guide – Part 1

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JAVA Object Oriented Concepts Java in based on Object Oriented concepts, which permits higher level of abstraction to solve any problem in realistic way. Object oriented approach conceptualize the problem solution in real-world object which are easier to reuse across the application. For example Chair, Fan, Dog, computer etc. In Java, a class is a blueprints, template or prototype that ...

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Spring Integration: A lightweight integration Approach

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Today’s application expects access of all business in enterprise environment regardless of application technologies, which require, seamless integration with desperate systems. This integration can be achieved through wiring of desperate systems using Middleware technologies. Integration platform enables environment for applications to share information with each other to make architecture high interoperable. Spring Integration provides a mediation framework to build lightweight ...

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How to create JQuery DataTable using JSON and servlet

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In this article I’ll introduce the basic coding that require to create JQuery DataTable using JSON passed by simple servlet. DataTable is very powerful JQuery based grid with advance features which can be build in short span of time with customize features.             Installation Download Latest JQuery DataTable download Above download will provide two JQuery ...

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Grails – GORM Tutorial

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Grails is known as domain driven language that means we can build application using bottom to top approach which is more nearer to object oriented programming. GORM (Grail Object Relational Mapping) uses intern Hibernate to map the domain with table which gives life to Domain modeling. If we combined everything just only based on domain we could build the whole ...

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SOA and REST with Grails

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I discussed on my previous article about REST and how to leverage RESTful web services on Grails platform. We will further discuss Grails on SOA & REST and try to visualize architecture in details. REST and SOA are different architecture pattern with lots of commonality to make application highly interoperable. As per Thomas Erl SOA is “SOA is a term ...

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Grails – RESTful Webservice using JAX-RS plugin

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I discussed about RESTful architecture consideration and how to build RESTful web services using Jersey JAX-RS [JSR 311]  in JAVA. Today I am going to discuss how to build the RESTful web services using Grails framework. GRAILs framework is the platform which provides end to end solution to build web application from scratch to advance intuitive RIA web application. Grails ...

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RESTful Webservices with Jersey

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I have discussed my earlier article about architectural consideration<<link>> to become a RESTful system on distributed environment that are usable my system/machines. This article we are going to discuss how to build web services based on REST architecture consideration. This tutorial explains how to develop RESTful web services in Java with the Tomcat 6, Eclipse and Jersey a JAX-RS (JSR ...

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Agile methodology

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Introduction Waterfall model follows application development in phases with checkpoint and deliverable documents in each checkpoint. It advocates rigours project management, strategy and processes to track the status. The main drawback is that it require more than 80% project understanding before kick off the project which is impossible in major cases. Cause of volatile requirements and understanding business feels, 80% ...

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Improve Performance by caching and compression

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Web page designs are becoming innovative with rich interface which involve extra code such as java scripts, css, and images etc. Most of the end-user response time tied-up in downloading these components.Optimizations of number of http requests and response size are the key parameters to improve the web application performance. This article explains about caching filter and compression filter that ...

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Groovy & Grails Understanding – Part2

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Grails Grails is a web framework based on Groovy and Java which can be deployed into existing Java web servers, e.g. Tomcat or Jetty. Its scaffolding capabilities let you create a new project within a few minutes. Grails is based on the “convention over configuration” idea which allows the application to auto-wires itself based on naming schemes (instead of using ...

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