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java-interview-questions-answers

Working with the Array Data Type in a Table

In this post I would like to follow up on my previous article about Oracle collection data types and I am going to focus on working with oracle.jbo.domain.Array attributes in af:table ...
spring-interview-questions-answers

Using Http Session with Spring based web applications

There are multiple ways to get hold of and use an Http session with a Spring based web application. This is a summarization based on an experience with a recent project. Approach 1 Just ...
java-interview-questions-answers

Storm event processor – GC log file per worker

In the last three months, I am working with a new team building a product for Big Data analytics on Telecom domain. Storm event processor is one of the main frameworks we use and it ...
java-interview-questions-answers

Jibx Jersey2 Integration

Jersey2 provides inbuilt support for Jackson and JAXB. But Jibx is not supported by default. To use Jibx in conjunction with Jersey2, we are taking the XML input as a stream and after ...
java-interview-questions-answers

Dropwizard: painless RESTful JSON HTTP web services

Java developers looking for a quick, painless way of creating production-ready RESTful JSON HTTP web services should consider the Dropwizard framework. Dropwizard brings together well-regarded ...
java-interview-questions-answers

Java EE CDI Qualifiers: Quick Peek

Qualifiers are the mainstay of type safety and loose coupling in Contexts and Dependency Injection (CDI). Why? Without CDI, we would be injecting Java EE components in a manner similar ...
apache-activemq-logo

ActiveMQ – Network of Brokers Explained – Part 3

Now that we have understood the basics of ActiveMQ network connector in part 1 and part 2 of this blog series, in this part 3, we will examine how ActiveMQ load balances consumers which ...
apache-activemq-logo

ActiveMQ – Network of Brokers Explained – Part 2

In this blog we will see how duplex network connectors work. In the previous part 1 we created a network connector from broker-1 and broker-2. We were able to see how messages for ...
jboss-wildfly-logo

Validating JAX-RS resource data with Bean Validation in Java EE 7 and WildFly

I have already approached this subject twice in the past. First, on my post Integrating Bean Validation with JAX-RS in Java EE 6, describing how to use Bean Validation with JAX-RS in ...
spring-interview-questions-answers

Spring test with thymeleaf for views

I am a recent convert to thymeleaf for view templating in Spring based web applications, preferring it over jsp’s. All the arguments that thymeleaf documentation makes on why ...
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