The Java plugin for Gradle provides a `processResources` task to do the same thing.
This is a link:{groovyDslPath}/org.gradle.language.jvm.tasks.ProcessResources.html[ProcessResources] task that copies files from the configured resources directory -- `src/main/resources` by default -- to an output directory.

 */
public final class JvmConstants {
    /**
     * The name of the task that processes resources.
     */
    public static final String PROCESS_RESOURCES_TASK_NAME = "processResources";

    /**
     * The name of the lifecycle task which outcome is that all the classes of a component are generated.
     */
    public static final String CLASSES_TASK_NAME = "classes";

    /**

        '''

        //when
        def result = executer.withTasks("classes").run()
        //then
        result.assertTasksExecuted(":compileJava", ":generateResource", ":processResources", ":classes")

        //when
        result = executer.withTasks("testClasses").run()
        //then
        result.output.contains(":generateTestResource")
    }

    @Test

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+
Compiles production Java source files using the JDK compiler.

`processResources` — link:{groovyDslPath}/org.gradle.language.jvm.tasks.ProcessResources.html[ProcessResources]::
Copies production resources into the production resources directory.

`classes`::
_Depends on_: `compileJava`, `processResources`
+

                        artifact file: emptyDirs.destinationDir, builtBy: emptyDirs
                        artifact file: processResources.destinationDir, builtBy: processResources
                    }
                }
            }
        """
    }

    def "doesn't recompile when private element of implementation class changes"() {
        given:

----
Received 3 file system events since last build while watching 1 locations
Virtual file system retained information about 2 files, 2 directories and 0 missing files since last build
> Task :compileJava NO-SOURCE
> Task :processResources NO-SOURCE
> Task :classes UP-TO-DATE
> Task :jar UP-TO-DATE
> Task :assemble UP-TO-DATE

BUILD SUCCESSFUL in 58ms
1 actionable task: 1 up-to-date

        assertThat(sourceSet.getCompileTaskName('java'), equalTo('compileJava'))
        assertThat(sourceSet.compileJavaTaskName, equalTo('compileJava'))
        assertThat(sourceSet.processResourcesTaskName, equalTo('processResources'))
        assertThat(sourceSet.jarTaskName, equalTo('jar'))
        assertThat(sourceSet.getTaskName('build', null), equalTo('buildMain'))
        assertThat(sourceSet.getTaskName(null, 'jar'), equalTo('jar'))

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