Scala is hilarious

gistfile1.txt

ricky@t520 ~$ scala
Welcome to Scala version 2.11.2 (OpenJDK 64-Bit Server VM, Java 1.8.0_20).
Type in expressions to have them evaluated.
Type :help for more information.

scala> Array("foo","bar")(2)
<console>:8: error: type mismatch;
 found   : Int(2)
 required: scala.reflect.ClassTag[String]
              Array("foo","bar")(2)
                                 ^

scala> (Array("foo","bar"))(2)
<console>:8: error: type mismatch;
 found   : Int(2)
 required: scala.reflect.ClassTag[String]
              (Array("foo","bar"))(2)
                                   ^

scala> val x = Array("foo","bar")
x: Array[String] = Array(foo, bar)

scala> x(2)
java.lang.ArrayIndexOutOfBoundsException: 2
  ... 33 elided

scala> x(1)
res3: String = bar

scala> x.lift(2)
res4: Option[String] = None

scala> x.lift(1)
res5: Option[String] = Some(bar)