Reflection.scala

object ObjWithMethod {
  def runClosure(body: () => Boolean): Boolean = {
    println("In runClosure")
    val method = Class.forName("ObjWithMethod")
      .getDeclaredMethod("calledByRefection", classOf[() => Boolean])
    method.invoke(null, body).asInstanceOf[Boolean]
  }

  def calledByRefection(body: => Boolean): Boolean = {
    println("In calledByRefection")
    body
  }
}

object ReflectionWithMethodInObj {
  def main(args: Array[String]): Unit = {
    val body: () => Boolean = () => {
      println("In body")
      true
    }
    
    ObjWithMethod.runClosure { () =>
      println("In Body")
      true
    }
  }
}