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educational
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Groovy for Java developer: learning Groovy-specific features
Groovy is an object oriented dynamic language for the JVM. Dynamically compiled to a bytecode and interoperable with most Java libraries, Groovy is a perfect candidate for writing lightweight scripts that still can benefit from the Java…
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Creating custom GSP tags and tag libraries in Grails
Grails tag libraries are designed to provide content formatting capabilities right on a GSP page. The ‘tag’ is an action that can be declared in a form of an HTML element. This action can accept an enclosed…
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Grails Unit Testing: covering domain classes and services
Unit testing in Grails is currently implemented with Grails Testing plugin. The plugin provides unit testing facilities through the GrailsUnitTestCase class which offers a lot of useful methods for mocking Grails-specific objects. This post demonstrates how some…
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Synchronizing threads with Java locks
Java locks often supersede synchronized blocks and methods by allowing to back out from the synchronization attempt. This post shows how to use the feature, and demonstrates some other basic concepts, like the lock fairness and reentrant…
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API Enhancements in Java SE 7
Recently released Java 7 has a lot of useful API enhancements such as the automatic resource management, multi-catch statements, switch statement with strings, binary literals and improved numeric literals. This post is a quick roundup of the…
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