Basic commands of the javapackager tool

Since Java 8, there is a tool that helps with packaging, named javapackager. It has many options but here we are looking only for the -createjar command:

You need to set quite a few parameters:

"$JAVA_HOME/bin/javapackager" -createjar -appclass chapterEleven.SimpleApp -outdir dist -outfile SimpleApp.jar -srcdir build/classes

Let's review them one by one:

  • "$JAVA_HOME/bin/javapackager": javapackager is located in the same folder as Java; I have placed parenthesis here to avoid issues with a space in my Windows path
  • -appclass chapterEleven.SimpleApp: This is the full name of the main class of our application
  • -outdir dist: The name of the folder for the resulting JAR
  • -outfile SimpleApp.jar: The name of ...

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