Apache Maven Series
Last updated: July 29, 2025
Mocking is an essential part of unit testing, and the Mockito library makes it easy to write clean and intuitive unit tests for your Java code.
Get started with mocking and improve your application tests using our Mockito guide:
Handling concurrency in an application can be a tricky process with many potential pitfalls. A solid grasp of the fundamentals will go a long way to help minimize these issues.
Get started with understanding multi-threaded applications with our Java Concurrency guide:
Spring 5 added support for reactive programming with the Spring WebFlux module, which has been improved upon ever since. Get started with the Reactor project basics and reactive programming in Spring Boot:
Since its introduction in Java 8, the Stream API has become a staple of Java development. The basic operations like iterating, filtering, mapping sequences of elements are deceptively simple to use.
But these can also be overused and fall into some common pitfalls.
To get a better understanding on how Streams work and how to combine them with other language features, check out our guide to Java Streams:
Explore Spring Boot 3 and Spring 6 in-depth through building a full REST API with the framework:
Yes, Spring Security can be complex, from the more advanced functionality within the Core to the deep OAuth support in the framework.
I built the security material as two full courses - Core and OAuth, to get practical with these more complex scenarios. We explore when and how to use each feature and code through it on the backing project.
You can explore the course here:
Spring Data JPA is a great way to handle the complexity of JPA with the powerful simplicity of Spring Boot.
Get started with Spring Data JPA through the guided reference course:
Refactor Java code safely — and automatically — with OpenRewrite.
Refactoring big codebases by hand is slow, risky, and easy to put off. That’s where OpenRewrite comes in. The open-source framework for large-scale, automated code transformations helps teams modernize safely and consistently.
Each month, the creators and maintainers of OpenRewrite at Moderne run live, hands-on training sessions — one for newcomers and one for experienced users. You’ll see how recipes work, how to apply them across projects, and how to modernize code with confidence.
Join the next session, bring your questions, and learn how to automate the kind of work that usually eats your sprint time.
Get up to speed with the core of Maven quickly, and then go beyond the foundations into the more powerful functionality of the build tool, such as profiles, scopes, multi-module projects and quite a bit more:
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Maven Basics
- Apache Maven Tutorial
- Apache Maven Standard Directory Layout
- Where Is the Maven Local Repository?
- Maven Goals and Phases
- Maven Release to Nexus
- Maven Deploy to Nexus
- Install Local Jar With Maven
- A Quick Guide to Maven Wrapper
- How to Install Maven on Windows, Linux, and Mac
- Understanding Maven Dependency Graph or Tree
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Maven Configuration
- Setting the Java Version in Maven
- Using Maven Behind a Proxy
- Refer to Environment Variables in pom.xml
- JDK Configuration for Maven Build in Eclipse
- Maven Error “JAVA_HOME should point to a JDK not a JRE”
- The settings.xml File in Maven
- Command Line Arguments as Maven Properties
- Clearing the Maven Cache
- Maven Logging Options
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Maven Project Setup
- Guide to Maven Profiles
- Multi-Module Project with Maven
- Multi-Release JAR Files with Maven
- Multi-Module Maven Application with Java Modules
- Maven Project with Multiple Source Directories
- How to Create an Executable JAR with Maven
- Minification of JS and CSS Assets with Maven
- Maven Packaging Types
- Understanding Maven’s “relativePath” Tag for a Parent POM
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Maven Dependencies
- Maven Dependency Scopes
- Find Unused Maven Dependencies
- How to Resolve a Version Collision of Artifacts in Maven
- Use the Latest Version of a Dependency in Maven
- Handling Maven Invalid LOC Header Error
- Optional Dependency in Maven
- Force Repository Update with Maven
- Maven dependencyManagement vs. dependencies Tags
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Core Maven Plugins
- Maven Resources Plugin
- Maven Compiler Plugin
- The Maven Verifier Plugin
- Quick Guide to the Maven Surefire Plugin
- The Maven Failsafe Plugin
- Quick Guide to the Maven Install Plugin
- The Maven Deploy Plugin
- The Maven Site Plugin
- The Maven Clean Plugin
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Maven and Spring
- Spring with Maven
- Spring Maven Repositories
- Spring Security with Maven
- Multi-Module Project With Spring Boot
- Spring Boot Dependency Management with a Custom Parent
- Spring with Maven BOM
- Difference Between spring-boot:repackage and Maven package
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Maven Tests
- Skipping Tests with Maven
- Integration Testing with Maven
- Running JUnit Tests in Parallel with Maven
- Build a Jar with Maven and Ignore the Test Results
- Intro to JaCoCo
- Integration Testing With the Maven Cargo Plugin
- Running a Single Test or Method With Maven
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Other Maven Plugins
- How to Create a Maven Plugin
- Maven Enforcer Plugin
- Introduction to Animal Sniffer Maven Plugin
- Copying Files With Maven
- Generate a WAR File in Maven
- Generate WSDL Stubs with Maven
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