Working with Generics is definitely my weak spot, and can use some help with this. The project is to develop a simple order/inventory system that places orders, keeps track of items and inventories,
I\'m working with a TreeSetthat is meant to store pathfind locations used during the execution of a A* algorithm.
Below is my Student class class Student implements Comparable { String name; int rollNo; @Override public int compareTo(Object obj) {
In Java 6, my understanding is that you can supply a Comparator to a TreeSet when creating it to override the \"natural ordering\" of the objects in the set.
I am trying to code a little bit of math with java. What I am trying to do, is to put cyclotomic cosets to the TreeSet. A coset has an index and a set of integer numbers. A coset is equal to other cos
I have a SortedSet (specifically a TreeSet) containing updates. An update is something like an SVN commit, Facebook wall post, new Trac ticket, etc. I\'m storing these in a SortedSet because:
I know a java treeset can\'t have identical elements and so I have to somehow differentiate an element from another even if they have the same \"value\". I want to be able to rank the elements and I\'
I know you can find the first and last elements in a treeset.What if I wanted to know what the second or third element was without iterating?Or, more preferable, given an element, figure out it\'s ran
I\'m making a TreeSet of Point2D.Float type, creating it with a custom Comparable class that implements compare() of Point2D type. However, on calling \"contains\" on the TreeSet, I get a classcast er
Does anybody 开发者_Go百科know a fast way to detect at what level a given element is in a TreeSet? By level, I mean the depth of this element in the tree, i.e. the number of its ancestors.