Home » Author Archives: Kaushik Pal

Author Archives: Kaushik Pal

Kaushik Pal
Kaushik has 16 years of experience as a technical architect and software consultant in enterprise application and product development. He has interest in new technology and innovation area along with technical writing. His main focus is on web architecture, web technologies, java/j2ee, Open source, big data and semantic technologies. He has demonstrated his expertise in requirement analysis, architecture design & implementation, technical use case preparation, and software development. His experience has spanned in different domains like Insurance, banking, airlines, shipping, document management etc. Kaushik worked with a wide variety of technologies starting from Mainframe (IBM S/390), midrange (AS/400), web technologies and open source area. He has worked with clients like IBM, Lexmark, United Airlines and many more.

What are the 5 Trends for Testing in the Era of Big Data?

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In today’s world of data explosion, big data applications and their implementations are growing dramatically. As data is at the heart of any big data application, it is important to understand the characteristics of big data. The three most unique characteristics of big data are ‘Volume’, ‘Velocity’ and ‘Variety’. And these data comes in different format from multiple channels. All ...

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Java Servlet Tutorial – The ULTIMATE Guide

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Java Servlets is a Java based web technology. Java Servlet technology provides Web developers with a simple, consistent mechanism for extending the functionality of a Web server and for accessing existing business systems. A servlet can almost be thought of as an applet that runs on the server side–without a face. Java servlets make many Web applications possible. Java Servlets ...

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How to create MIDlet in J2ME

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Overview Java Mobile Application is called J2ME. Normally when we are working in the mobile technology field then we must think about J2ME application. Through this way we can develop our mobile application and also install it in our device through the jad or jar file. In current years the largest enhancement in mobile phone development was the introduction of ...

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Test coverage using testing tools and methods

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Overview: To define “Test coverage” we have to talk about the topics stated below: The purpose of test coverage. Different types of test coverage standards. Test coverage metrics Unit test coverage Test coverage tools Advantage and disadvantage of test coverage. The purpose of test coverage Test coverage is an estimate utilized in software testing. It gives details about the level ...

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Oracle Drops Collection Literals in JDK 8

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In a posting on the OpenJDK JEP 186 Oracle’s Brian Goetz informs that Oracle will not be pursuing collection literals as a language feature in JDK8. A collection literal is a syntactic expression form that evaluates to an aggregate type as an array, List or Map. Project Coin proposed collection literals, which also complements the library additions in Java SE8. ...

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Hadoop MapReduce Concepts

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What do you mean by Map-Reduce programming? MapReduce is a programming model designed for processing large volumes of data in parallel by dividing the work into a set of independent tasks. The MapReduce programming model is inspired by functional languages and targets data-intensive computations. The input data format is application-specific, and is specified by the user. The output is a ...

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Hadoop setup on single node and multi node

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We will describe Hadoop setup on single node and multi node. The Hadoop  environment setup and configuration will be described in details. First you need to download the following software (rpm). Java JDK RPM Apache Hadoop 0.20.204.0 RPM A)  Single node system Hadoop setup 1) Install JDK on a Red Hat or CentOS 5+ system.   $ ./jdk-6u26-linux-x64-rpm.bin.sh Java is ...

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