What are the dependencies of Java base modules?

A core feature of Maven is dependency management. When we deal with multi-module projects (containing hundreds or thousands of modules or sub-projects), the dependencies between modules become very complex and management becomes difficult.

Dependency management

framework-dependencies is a dependency management independent of the framework. The definition is to manage third-party components. There are several main points:

• We usually have an independent third-party dependency management under a project framework;

• Define basic version information at the top layer to reduce the basic Module dependency conflicts;

• Unified version management facilitates basic component upgrades;

Component dependencies

framerork-parent is the parent pom file of the entire project, which mainly defines these components:

• Introduces framework version management dependencies for global unified management;

• Manage sub-module versions;

• Define the system-level maven coordinate baseline;

• Define the basis Plug-in configuration, such as compiling plug-ins, publishing information, component integration, etc.;

Dependency transfer

Basic commands

• mvn clean Clear the generated project (in target)

• mvn compile Compile the source code

• mvn install Locally Install the jar in the repository (including mvn compile, mvn package, and then upload it to the local warehouse)

• mvn deploy Upload to the private server (including mvn install, then upload to the private server)

• mvn package Package

• mvn test Run test

• ##mvn site Generate site

• mvn test-compile Compile test code

• mvn -Dtest package Only package but not test

• mvn jar:jar Only print jar package

• mvn test -skipping compile -skipping test-compile only tests without compiling, nor does it test compilation

• mvn source.jar Source code packaging

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