Class LinkedBag<Item>

  • All Implemented Interfaces:

    public class LinkedBag<Item>
    extends Object
    implements Iterable<Item>
    The LinkedBag class represents a bag (or multiset) of generic items. It supports insertion and iterating over the items in arbitrary order.

    This implementation uses a singly linked list with a non-static nested class Node. See Bag for a version that uses a static nested class. The add, isEmpty, and size operations take constant time. Iteration takes time proportional to the number of items.

    For additional documentation, see Section 1.3 of Algorithms, 4th Edition by Robert Sedgewick and Kevin Wayne.

    Robert Sedgewick, Kevin Wayne
    • Constructor Detail

      • LinkedBag

        public LinkedBag()
        Initializes an empty bag.
    • Method Detail

      • isEmpty

        public boolean isEmpty()
        Is this bag empty?
        true if this bag is empty; false otherwise
      • size

        public int size()
        Returns the number of items in this bag.
        the number of items in this bag
      • add

        public void add​(Item item)
        Adds the item to this bag.
        item - the item to add to this bag
      • main

        public static void main​(String[] args)
        Unit tests the LinkedBag data type.
        args - the command-line arguments