How can I reference a classpath file in the java command?

Question

It is possible to generate a classpath file during a build, for instance using the maven-dependency-plugin to create a file named classpath:

mvn dependency:build-classpath -Dmdep.outputFile=classpath

How can I then use the file when invoking java from the command line?

user2515975 · Accepted Answer · 2023-02-03 12:48:48Z

0

Since JDK9 the java command supports @-file arguments where the file contents are used in place of the @-file placeholder.

Example:

$ cat classpath
./clojure-1.11.1.jar:./spec.alpha-0.3.218.jar

$ java -cp @classpath clojure.main
Clojure 1.11.1
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answered Feb 3, 2023 at 12:48

user2515975

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