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Ant Properties Nuances

Every once in a while, I’m reminded of a few subtle nuances of Ant properties that can, when forgotten, lead to confusion when dealing with Ant. In particular, the fact that Ant ...
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Groovy Sql and Oracle ‘Invalid column index’ SQLException

There are some minor potential dangers associated with Groovy’s def keyword. The Groovy style and language feature guidelines for Java developers provides some warnings about ...
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Escaping XML with Groovy 2.1

When posting source code to my blog, I often need to convert less than signs (<), and greater than signs (>) to their respective entity references so that they are not confused ...
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Enhanced Groovy-based JAR/Manifest Diff Tool

This brief blog post provides another Groovy script that provides simple differencing of two JAR (or WAR or EAR) files and their MANIFEST.MF files. It represents a combination of the ...
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Comparing Manifest Files with Groovy

My last post discussed comparing the high-level contents of two JAR files using a Groovy script and a 2011 post covered displaying a particular JAR file’s manifest file. This ...
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Comparing JARs with Groovy

It can sometimes be useful to compare the contents of two JARs. In this blog post, I demonstrate a Groovy script that acts like a simple “diff” tool for comparing two JAR ...
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Common Red Flags in Java Development

In several years of developing, reading, reviewing, and maintaining hundreds of thousands of lines of Java code, I have become accustomed to seeing certain “red flags” in ...
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JDK 8′s Calendar.Builder

One of the defining characteristics of the brave new world of Java is the increasing prevalence of the builder pattern in the Java space. Groovy, which appears to be the most popular ...
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JDK 8 Javadoc Tweaked For Methods Listings

Since it’s beginning, Javadoc output has been largely static HTML with navigation links and simple stylesheet styling of its appearance. Java SE 7 saw the first significant change ...
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Becoming Acquainted with Scala

There are many touted benefits of the Scala programming language, especially for Java developers. Among others, Scala’s advertised strengths and advantages include the following:Runs ...
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