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Groovy JDK (GDK): Date and Calendar

I have looked at some highly useful methods available in Groovy GDK‘s extensions to the Java JDK in blog posts such as Groovy JDK (GDK): File.deleteDir(), Groovy JDK (GDK): Text ...
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When Premature Optimization Isn’t

Earlier this month, I decided I wanted to write a post on not all optimization being premature optimization after hearing more than one developer use this mantra as an excuse for not ...
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Type-safe Empty Collections in Java

I have blogged before on the utility of the Java Collections class and have specifically blogged on Using Collections Methods emptyList(), emptyMap(), and emptySet(). In this post, ...
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Guava’s Collections2: Filtering and Transforming Java Collections

One of the conveniences of Groovy is the ability to easily perform filtering and transformation operations on collections via Groovy’s closure support. Guava brings filtering ...
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Guava’s Objects Class: Equals, HashCode, and ToString

If you are fortunate enough to be using JDK 7, the newly available Objects class is the obvious (at least to me) choice for implementing the ‘common’ Java object methods ...
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Scripted Reports with Groovy

Groovy has become my favorite scripting language and in this blog I look at some of Groovy’s features that make it particularly attractive for presenting text-based reports. The ...
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Guava Preconditions Class

Anyone who’s written much Java has probably written methods that begin with conditionals that verify either the provided parameters or the state of the object being acted upon ...
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Guava Stopwatch

Guava‘s Stopwatch is another Guava class new to Guava Release 10 (as is Optional, the subject of another recent post). As its name implies, this simple class provides a method ...
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Guava’s Strings Class

In the post Checking for Null or Empty or White Space Only String in Java, I demonstrated common approaches in the Java ecosystem (standard Java, Guava, Apache Commons Lang, and Groovy) ...
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Design Patterns: Mogwai or Gremlins?

The 1994 book Design Patterns: Elements of Reusable Object-Oriented Software introduced many software developers to the concept of ‘a catalog of simple and succinct solutions ...
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