Constructor Detail

• RandomizedCollection

  RandomizedCollection()

Method Detail

• getM2a

   final HashMap<Integer, HashSet<Integer>> getM2a()

• getA2m

   final ArrayList<Integer> getA2m()

• insert

   final Boolean insert(Integer x)

  Inserts a value to the collection. Returns true if the collection did not already contain the specified element.

• remove

   final Boolean remove(Integer x)

  Removes a value from the collection. Returns true if the collection contained the specified element.

• getRandom

   final Integer getRandom()

  Get a random element from the collection.