collections.sortable
Class Cart

java.lang.Object
  collections.sortable.Cart

public class Cart
extends java.lang.Object

Demonstrates the use of comparable objects and explicit comparators used for sorting. Objects are added to a HashSet (which is faster) and then passed into a new TreeSet (which supports sorting).

Author:

Thomas Rowland

Constructor Summary

Cart()

Method Summary

static void	main(java.lang.String[] args)
void	retrieve(java.util.Set s)
void	sort(java.util.Set set) Sorts a set (a TreeSet) according to the objects' natural ordering defined by its conmpareTo method.
void	sort(java.util.Set set, java.util.Comparator comparator) Sorts a set (a TreeSet) according to the eplicit Comparator.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Cart

public Cart()

Method Detail

main

public static void main(java.lang.String[] args)

retrieve

public void retrieve(java.util.Set s)

sort

public void sort(java.util.Set set)

Sorts a set (a TreeSet) according to the objects' natural ordering defined by its conmpareTo method.

sort

public void sort(java.util.Set set,
                 java.util.Comparator comparator)

Sorts a set (a TreeSet) according to the eplicit Comparator.