Simplest way to sort list of objects

Question

I have a list of objects of type A. In a first iteration I assign each object a double value 0 < x < 1 and then want to sort each object according to it\'s x value.

<

Answer 1

I go like this. For getting top c words in a hashmap:

  def getTopCWordsDeclarative(input: mutable.HashMap[String, Int], c: Int): Map[String, Int] = {
    val sortedInput = input.toList.sortWith(_._2 > _._2)
    sortedInput.take(c).toMap
  }