How to Integrate External Libraries into Artifact JARs Using IntelliJ IDEA?

Integrating External Libraries into Artifact Jars with IntelliJ IDEA

To seamlessly integrate external libraries into an artifact jar, ensuring the preservation of library class accessibility, follow these steps:

Extraction Method:

1. Navigate to Project Structure (Ctrl/Cmd Alt Shift S).
2. Select the Artifacts tab and create a new Jar artifact.
3. Under Output Layout, select Extract to the JAR.
4. In the Libraries tab, add the external JAR.
5. Under Project Dependencies, select the dependency.

Linking Method:

1. In Project Structure, create a new Jar artifact.
2. Under Output Layout, select Link Files to the JAR.
3. In the Libraries tab, add the external JAR.
4. In the Manifest tab, add the following line:

Class-Path: groovy-all-2.4.7.jar

Replace "groovy-all-2.4.7.jar" with the exact name of the external JAR.

5. Copy the external JAR into the directory containing the artifact JAR.

Example Project:

Refer to the sample project "HelloWithDependencies.zip" for a detailed demonstration of both methods. The artifacts are generated in the "out" directory, with "single" representing the extraction method and "linked" representing the linking method.

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