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spring-interview-questions-answers

Spring Collection Merging

Spring collection merging is a feature that I first came across as an answer to a StackOverflow question It is a way of creating a base collection ...
spring-interview-questions-answers

Spring Testing Support and Context caching

Spring provides a comprehensive support for unit and integration testing – through annotations to load up a Spring application context, integrate with unit testing frameworks ...
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Java Annotations – Retention

Consider a Java annotation: public @interface AnAnnotaton {} A class with this annotation applied on it: @AnAnnotaton class AnAnnotatedClass{ } And a test which checks if ...
spring-interview-questions-answers

Wire object dependencies outside a Spring Container

There are a few interesting ways of setting the properties and dependencies of an object instantiated outside of a Spring container. Use CasesTo start with, why would we need to do ...
spring-interview-questions-answers

Spring Scoped Proxy

Consider two Spring beans defined this way: @Component class SingletonScopedBean{ @Autowired private PrototypeScopedBean prototypeScopedBean; public String ...
spring-interview-questions-answers

Spring @Configuration and FactoryBean

Consider a FactoryBean for defining a cache using a Spring configuration file: <cache:annotation-driven /> <context:component-scan base-package='org.bk.samples.cachexml'></context:component-scan> ...
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Creating a Java Dynamic Proxy

Java Dynamic proxy mechanism provides an interesting way to create proxy instances. The steps to create a dynamic proxy is a little tedious though, consider a proxy to be used for auditing ...
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Java: Mergesort using Fork/Join Framework

The objective of this entry is to show a simple example of a Fork/Join RecursiveAction, not to delve too much into the possible optimizations to merge sort or the relative advantages ...
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EclipseLink MOXy as a JAXB provider

EclipseLink MOXy is a JAXB provider and is a compelling alternative to the default JAXB provider built into JDK. First a simple test to marshal a Java object to XML: This is the model: @XmlRootElement(name='MemberDetailsRequest', ...
spring-interview-questions-answers

Spring Integration – Session 2 – More Hello Worlds

This is a follow up to Spring Integration Session 1 The first session was a simple Hello World application using Spring Integration. I want to ...
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