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DAO layer – Generics to the rescue

Generics can be a powerful tool to create reusable code with the power of compile time verification (type safety..). Unfortunately I feel the main stream developers still afraid of ...
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Testing Spring & Hibernate Without XML

I’m very keen on the improvements in Spring 3 that eventually let you move away from XML into plain Java configuration with proper support from IDE and compiler. It doesn’t change ...
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Spring Profile pattern example

Recently we were introduced with the concept of Spring Profiles. This concept is an easy configuration differentiators for different deployment environments. The ...
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Handling Form Validation with Spring 3 MVC

This article is a part of a series on Spring 3. The earlier articles of this series were Hello World with Spring 3 MVC and Handling Forms with Spring 3 MVC. Now lets dig a ...
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Handling Forms with Spring 3 MVC

This article is a part of a series of articles written about Spring 3. The previous article of this series is available here. In this article we take another baby step towards Spring ...
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Hello World with Spring 3 MVC

I owe my introduction to Spring to this article by Martin Fowler, way back in 2005. Since then I have tinkered with many a IoC frameworks including Guice, PicoContainer, NanoContainer ...
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JAXB and Root Elements

@XmlRootElement is an annotation that people are used to using with JAXB (JSR-222). It’s purpose is to uniquely associate a root element with a class. Since ...
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Java Thread at RUNNABLE state is not really running

Recently, I was doing an analysis/tuning on a Java application server installation in order to identify the bottlenecks and fix them. The most common action in such procedure (tuning) ...
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Exception: java lang AbstractMethodError

This java.lang.AbstractMethodError is usually thrown when we try to invoke the abstract method.Generally this error is identified at the compile time itself,if this ...
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Java Exception: java lang NoSuchMethodError

If you have a look at the error message java.lang.NoSuchMethodError you may understand that the Java Virtual Machine is trying to indicate us that the method you invoked is not available ...
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