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Async abstractions using rx-java

One of the big benefits in using Rx-java for me has been the way the code looks exactly the same whether the underlying calls are synchronous or asynchronous and hence the title of ...
java-interview-questions-answers

Netflix Governator Tests – Introducing governator-junit-runner

Consider a typical Netflix Governator junit test.                     public class SampleWithGovernatorJunitSupportTest {@Rule ...
java-interview-questions-answers

Disambiguating between instances with Google Guice

Google guice provides a neat way to select a target implementation if there are multiple implementations of an interface. My samples are based on an excellent article by Josh Long(@starbuxman) ...
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Learning Netflix Governator – Part 2

To continue from the previous entry on some basic learnings on Netflix Governator, here I will cover one more enhancement that Netflix Governator brings to Google Guice – Lifecycle ...
java-interview-questions-answers

Learning Netflix Governator – Part 1

I have been working with Netflix Governator for the last few days and got to try out a small sample using Governator as a way to compare it with the dependency injection feature set ...
spring-interview-questions-answers

Using Netflix Hystrix annotations with Spring

I can’t think of a better way to describe a specific feature of Netflix Hystrix library than by quoting from its home page:Latency and Fault Tolerance by: Stop cascading failures. ...
spring-interview-questions-answers

Spring retry – ways to integrate with your project

If you have a need to implement robust retry logic in your code, a proven way would be to use the spring retry library. My objective here is not to show how to use the spring retry ...
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Solving “Water buckets” problem using Scala

I recently came across a puzzle called the “Water Buckets” problem in this book, which totally stumped me. You have a 12-gallon bucket, an 8-gallon bucket and a 5-gallon ...
java-interview-questions-answers

RabbitMQ – Processing messages serially using Spring integration Java DSL

If you ever have a need to process messages serially with RabbitMQ with a cluster of listeners processing the messages, the best way that I have seen is to use a “exclusive consumer” ...
spring-interview-questions-answers

Spring RestTemplate with a linked resource

Spring Data REST is an awesome project that provides mechanisms to expose the resources underlying a Spring Data based repository as REST resources. Exposing a service with a linked ...
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