$ scala
Welcome to Scala version 2.8.1.final (Java HotSpot(TM) Server VM, Java 1.5.0_16).
Type in expressions to have them evaluated.
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scala> def closer(closeable: java.io.Closeable) {
     |   println("inside closer")
     |   closeable.close
     | }
closer: (closeable: java.io.Closeable)Unit

scala> 

scala> def tryFinally {
     |   import java.io.Reader
     |   var file: Reader = null
     |   try {
     |     import java.io.FileReader
     |     file = new FileReader("input.txt")
     |   } finally {
     |     println("inside finally")
     |     closer(file)
     |   }
     | }
tryFinally: Unit

scala> 

scala> tryFinally
inside finally
inside closer
java.lang.NullPointerException
        at .closer(<console>:7)
        at .tryFinally(<console>:14)
        at .<init>(<console>:8)
        at .<clinit>(<console>)
        at RequestResult$.<init>(<console>:9)
        at RequestResult$.<clinit>(<console>)
        at RequestResult$scala_repl_result(<console>)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.ja va:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at scala.tools.nsc.Interpreter$Request$$anonfun$loadAndRun$1$$anonfun$apply$17.app ly(Interpreter.scala:988)
        at scala.tools.nsc.Interpreter$Request$$anonfun$loadAndRun$1$$anonfun$apply$17.app ly(Interpreter.scala:988)
        at scala.util.control.Except...
scala>