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A JDeps Primer – Analyzing Your Project’s Dependencies

JDeps is the Java Dependency Analysis Tool, a command line tool that processes Java bytecode, meaning .class files or the JARs that contain them, and analyzes the statically declared dependencies between classes. The results can be filtered in various ways and can be aggregated to package or JAR level. JDeps can also tell you which JDK-internal APIs your project is ...

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The Most Popular Programming Languages for 2017

Discover faster, more efficient performance monitoring with an enterprise APM product learning from your apps. Take the AppDynamics APM Guided Tour! It’s hard to believe that it’s already 2017. But with the new year comes new challenges, new opportunities—and, of course—new software projects. One of the most important questions beginner, intermediate, and advanced coders all have to answer before they ...

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How to Identify Major Blockers in a CI/CD Pipeline

Continuous integration, development, and delivery pipelines provide significant benefits to software development. An excellent example of this is “being able to shepherd code changes to production with little-to-no human intervention” like at Mozilla. More broadly, when properly implemented, they reduce time to market and provide greater transparency and reliability of new features and releases. The question though is: when your ...

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Process Handling in Java 9

Managing operating system processes in Java was a daunting task all times. The reason for that is the poor tooling and poor API that are available. To be honest that is not without reason: Java was not meant for the purpose. If you wanted to manage OS processes, you had the shell, perl script whatever you wanted. For larger applications ...

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Java Command-Line Interfaces (Part 8): Argparse4j

Argparse4j is a “Java command-line argument parser library” that its main page describes as “a command line argument parser library for Java based on Python’s argparse module.” In this post, I will look briefly at using Argparse4j 0.7.0 to process command-line arguments similar to those parsed in the seven earlier posts in this series on command-line processing in Java. The ...

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Building A Self-Sufficient Docker Cluster

A self-sufficient system is a system capable of healing and adaptation. Healing means that the cluster will always be in the designed state. As an example, if a replica of a service goes down, the system needs to bring it back up again. Adaptation, on the other hand, is about modifications of the desired state so that the system can ...

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Grails 3.3 Integration Testing with Spock Mocks

It is easy to use the Spock Framework, shipped with Grails, to mock or stub a collaborator (such as a service) in our Grails unit tests. The Testing chapter explains a bit about mocking collaborators, doWithSpring/doWithConfig callback methods, the FreshRuntime annotation to mock beans in tests — but they’re mainly for unit testing. How about mocking beans in an integration ...

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