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How to perform impact analysis across Java based applications?

Performing impact analysis is a crucial software development task. It is all about calculating the impact of software change.

Q1. What is an impact analysis? Is it a trivial task?
A1. An impact analysis is about being able to tell which pieces of code,

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JMS versus AMQP, Enterprise Integration Patterns (EIP), and Spring Integration versus Apache Camel

Q. Why do you need AMQP when there is JMS?
A. AMQP stands for Advanced Message Queuing Protocol, and was developed to address the problem of interoperability by creating a standard for how messages should be structured and transmitted between platforms the same way as SMTP,

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Spring security tutorial

Spring security pre-authentication scenario assumes that a valid authenticated user is available via  either Single Sign On (SSO) applications like Siteminder, Tivoli, etc or a X509 certification based authentication. The Spring security in this scenario will only be used for authorization.

The example shown below retrieves the user name via the HTTP headers.

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800+ Java Interview Q&As

Prepare to fast-track & go places
with multi-offers to choose from & increased earning potential. Expand your horizons along the way by taking the road less travelled.
Learn by categories on the go...
Learn by categories such as FAQs – Core Java, Key Area – Low Latency, Core Java – Java 8, JEE – Microservices, Big Data – NoSQL, etc. Some posts belong to multiple categories.
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