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Spring Declarative Transactions Example

A transaction is a unit of work that has ACID (atomic, consistent, isolated and durable) properties. Atomic means that the changes all happen or nothing happens. If money is debited ...
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Real modular web applications: Why there is no standard for developing them?

OSGI, SpringSource, Jboss Modules, J2EE and the list never ends.All these technologies promise to their end users/developers the same thing which is more or less java modular web applications ...
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On DTOs

DTOs, or data-transfer objects, are commonly used. What is not s? commonly-known is that they originate from DDD (Domain-driven design). There it makes a lot of sense – domain objects ...
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On domain-driven design, anemic domain models, code generation, dependency injection and more…

Eric Evans has formulated what domain-driven design (DDD) is. Martin Fowler is a great supporter and advocate of DDD. These are remarkable names and it is almost certain they are supporting ...
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The evolution of Spring dependency injection techniques

Looking back at the history of Spring framework you will find out that the number of ways you can implement dependency injection is growing in every release. If you’ve been working ...
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Problems with ORMs

Object Relational Mapping tools like Hibernate have helped developers make huge productivity gains in dealing with relational databases in the past several years. ORMs free developers ...
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Integrating Jersey with Spring

Spring provides a lot of benefits and promotes best practices with its dependency injection mechanism, application lifecycle management and Hibernate support (just to mention some). ...
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Heroku runs Java

If you are a Java fan boy, like me, then you have a good news to cheer about. Heroku runs Java now! Well, unlike other popular ‘web’ languages like PHP/RoR, Java has the legacy ...
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Web Services in Ruby, Python and Java

Today I’ve had to prepare some examples to show that web services are interoperable. So I’ve created a simple web service in Java using Metro and launched it on Tomcat. Then tried ...
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Java Persistence API: a quick intro…

Hello Readers! After numerous requests from some of my friends I’ve decided to write a short article about the Java Persistence API. Object Oriented programming paradigm is the most ...
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