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Difference between State and Strategy Design Pattern in Java

In order to make proper use of State and Strategy design Pattern in Core Java application, its important for a Java developer to clearly understand difference between them. Though both ...
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HashMap performance improvements in Java 8

HashMap<K, V> is fast, versatile and ubiquitous data structure in every Java program. First some basics. As you probably know, it uses hashCode() and equals() method of keys to ...
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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 ...
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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 ...
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Handy New Map Default Methods in JDK 8

The Map interface provides some handy new methods in JDK 8. Because the Map methods I cover in this post are implemented as default methods, all existing implementations of the Map ...
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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 ...
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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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HOW-TO: Spring Boot and Thymeleaf with Maven

Spring Boot is a great piece of software allowing you to bootstrap Spring application within a few seconds. And it really works. As little configuration as possible to get started. ...
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Clean Synchronization Using ReentrantLock and Lambdas

Recently I was reading an informative post about the differences between synchronized vs ReentrantLock by Javin Paul1. He emphasises on the advantages of the latter, but does not withhold ...
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Quick, and a bit dirty, JSON Schema generation with MOXy 2.5.1

So I am working on a new REST API for an upcoming Oracle cloud service these days so one of the things I needed was the ability to automatically generate a JSON Schema for the bean ...
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