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Learn about using Java, a general-purpose, cross-platform programming language licensed under the GNU General Public License.

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Parse command-line options in Groovy

Learn to add options to your Groovy applications.
Chris Hermansen (Correspondent) 28 Aug 2021
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Calculate date and time ranges in Groovy

Use Groovy date and time to discover and display time increments.
Chris Hermansen (Correspondent) 27 Aug 2021
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Use this open source tool for automated unit testing

Tackle-test is an automatic generator of unit test cases for Java applications.
Saurabh Sinha Rachel Tzoref-Brill 25 Aug 2021 2 comments
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Build a JAR file with fastjar and gjar

Utilities like fastjar, gjar, and jar help you manually or programmatically build JAR files, while other toolchains such as Maven and Gradle offer features for dependency management.
Seth Kenlon (Red Hat) 18 Aug 2021
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Parse command options in Java with commons-cli

Let your users modify how your Java application runs with command-line options.
Seth Kenlon (Red Hat) 13 Aug 2021
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A Java developer's guide to Quarkus

A new eBook demonstrates how developers can keep using the Java framework to build new serverless functions.
Daniel Oh (Red Hat, Correspondent) 12 Aug 2021
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5 reasons you should run your apps on WildFly

WildFly is a popular choice for users and developers worldwide who develop enterprise-capable applications.
Ranabir Chakraborty (Red Hat) 29 Jul 2021
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Get started with WildFly for Java web development

WildFly is a popular choice for developers who want to develop enterprise-ready applications.
Ranabir Chakraborty (Red Hat) 26 Jul 2021 2 comments

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