Creating An Executable Jar File Using Maven In Intellij New update

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Question: Creating an executable jar file using Maven in IntelliJ
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Modified: Asked 55 days ago
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Creating an executable jar file using Maven in IntelliJ

Here are the steps to create an executable jar file using Maven in IntelliJ:

Open your Maven project in IntelliJ.
In the Project pane, expand the Maven folder and double-click on the pom.xml file to open it.
In the pom.xml file, add the following <build> section:

<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<version>3.2.0</version>
<configuration>
<archive>
<manifest>
<mainClass>com.example.Main</mainClass>
</manifest>
</archive>
</configuration>
</plugin>
</plugins>
</build>

In this example, we’re using the maven-jar-plugin to create our executable jar file. The mainClass element specifies the fully qualified name of the class containing the main() method that should be executed when the jar file is run.
Open the Maven Projects pane in IntelliJ by clicking on the Maven Projects tab on the right side of the window.
Expand your Maven project in the Maven Projects pane and double-click on the package goal under the Lifecycle section. This will build your project and create the jar file.
Once the build is complete, the jar file will be created in the target folder of your project. You can run the jar file by navigating to the target folder in your terminal and running the following command:

java -jar my-project.jar

In this example, my-project.jar should be replaced with the name of your jar file.

That’s it! You’ve created an executable jar file using Maven in IntelliJ.

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IntelliJ IDEA: Create an Executable JAR File with External Libraries

How to create jar file using Maven command line?

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How to create executable jar file in Java?

To create an executable JAR (Java Archive) file in Java, you can follow these steps:

Write your Java code and compile it to generate .class files.
Create a manifest file named “Manifest.txt” with the following contents:

kotlin

Main-Class: <your main class name>

Replace <your main class name> with the fully qualified name of the class that contains your main method.

Create the JAR file using the following command in the command prompt or terminal:

kotlin

jar cfm <your jar file name>.jar Manifest.txt <your .class files>

Replace <your jar file name> with the desired name of your JAR file, and <your .class files> with the names of the compiled .class files that you want to include in the JAR file.

Test your JAR file by running the following command:

php

java -jar <your jar file name>.jar

Replace <your jar file name> with the name of your JAR file.

If you have done everything correctly, your Java application should now be running from the JAR file.

How to create a jar file without main class in IntelliJ?

To create a jar file without a main class in IntelliJ IDEA, follow these steps:

Open your IntelliJ IDEA project.
Go to File > Project Structure.
In the Project Structure dialog, select Artifacts from the left-hand panel.
Click the + button in the bottom left corner of the window and select JAR > Empty.
In the JAR Settings dialog, specify the name and location of the output JAR file.
In the Output Layout tab, click the + button and select Module Output.
In the Module Output dialog, select the module that you want to include in the JAR file.
Click OK to close the Module Output dialog.
Click OK to close the JAR Settings dialog.
Click Apply and then click OK to close the Project Structure dialog.
Finally, go to Build > Build Artifacts and select the artifact you just created. Click Build to generate the JAR file.

The JAR file will contain all the files in the selected module, including any dependencies. However, since there is no main class specified, you will need to run the JAR file from the command line and specify the main class yourself using the java command.

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