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$ play console
[info] Loading project definition from /Users/phausel/workspace/play2/samples/java/comet-clock/project
[info] Set current project to comet-clock (in build file:/Users/phausel/workspace/play2/samples/java/comet-clock/)
[info] Updating {file:/Users/phausel/workspace/play2/samples/java/comet-clock/}comet-clock...
[info] Done updating.
[info] Compiling 4 Scala sources and 1 Java source to /Users/phausel/workspace/play2/samples/java/comet-clock/target/scala-2.9.1/classes...
[info] Starting scala interpreter...
[info]
Welcome to Scala version 2.9.1.final (Java HotSpot(TM) 64-Bit Server VM, Java 1.6.0_29).
Type in expressions to have them evaluated.
Type :help for more information.
scala> import play.core.StaticApplication
import play.core.StaticApplication
scala> new StaticApplication(new java.io.File("."))
[info] play - Application started (Prod)
res0: play.core.StaticApplication = play.core.StaticApplication@75a0941a
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after this you should be able to interact with your app.