class Exception1 extends Exception
class Exception2 extends Exception
class Exception3 extends Exception
 
object Main {
  def main(args: Array[String]) {
    try {
      throw new Exception2()
    } catch { 
      case x => {
        println("Exception")
        println(x match {
          case _: Exception1 => "1"
          case _: Exception2 => "2"
          case _: Exception3 => "3"
          case _ => "Unknown"
        })
      }
    }
  }
}

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

MQoyCjEwCjQyCjExCg==

1
2
10
42
11