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8
Date Submitted Sat. Oct. 28th, 2006 3:00 PM
Revision 1
Scripter SCoon
Tags Java | Password
Comments 0 comments
11
Date Submitted Wed. Oct. 25th, 2006 9:57 AM
Revision 1
Helper fastmike
Tags C | File | Java | String
Comments 18 comments
What is Dijkstra Algorithm? click on the link above and first understand what the algorithm is all about. in short it calculates the shortest path from A to F or vise versa. This code i can guarantee is the simplest and easiest code to understand. just search on google and try to compare this code and other dijkstra code and you will see what i am talking about. i spent alot of time myself and my instructor to guide me on the rite path.
http://en.wikipedia.org/wiki/Dijkstra%27s_algorithm(Description)
to see how the algorithm really works go on this website it tells you step by step how to update the cost and which path to choose.
http://renaud.waldura.com/doc/java/dijkstra/
Please give some time to understand the algorithm first and then you can see my code. if you done understand the algorithm it is very useless. i know alot of people need Dijkstra algorithm in java for their HW assignment or Test. i am giving you the solution step by step. anyone who wants to understand please go to the url i have posted above and once you have understand then run the code and for those people who just want to copy so that they can get 90% in their test No Problem Here it is .
First open a notepad and name that file anything like data.txt or datas.txt and make sure the file looks something like this and in this format.
0 3 100 5 100 100 (100 represents infinity)
3 0 6 7 7 100
100 6 0 5 5 3
5 7 5 0 1 100
100 7 5 1 0 2
100 100 3 100 2 0
i name this file as a data.txt file. i have 6 nodes. and A is always the starting node which has the cost of 0 so by looking at the first line i
know that A to A have distance 0, A to B is 3, A to c is Infinity, A to D is 5, A to E is Infinity(means no edge connected with A), A to F is Infinity.
for second line(B to A is 3, and then vise versa) and for the 3rd line it starts for C and etc..
save the txt file by any name and then copy the code which i have posted and then to run type this:
javac routing.java
java routing data.txt
you will get the output. i will say this one more time understand how the algorithm works or ......................
4
Date Submitted Mon. Oct. 23rd, 2006 5:35 PM
Revision 1
Beginner jonathanstarrett
Tags "form input" | Java | JComboBox
Comments 0 comments
I was looking for an easy way to populate a combo box with strings taken from an enumeration, and also to be able to pull out Enum objects from the combo box. After some searching, I found EnumComboBoxModel on the JDesktop website, but was not able to find any code.

Instead I came up with an easier solution that did not require me to define a new Model class, but instead uses javax.swing.DefaultComboBoxModel.

Sorry for the disorganization of the code, but hopefully you get the idea.
5
Date Submitted Wed. Oct. 11th, 2006 7:15 AM
Revision 1
Beginner toriwells
Tags com | Date | Java
Comments 0 comments
This function returns a Date object being set at 12 A.M. It is useful for comparing dates where you don't know if they'll come set at the beginning of the day or not.
-8
Date Submitted Wed. Oct. 11th, 2006 7:04 AM
Revision 1
Beginner toriwells
Tags criptography | divertimento | Java
Comments 1 comments
Classe que pren una frase i una clau i obté com a sortida el missatge encriptat usant l'algorisme de Vigenère.
-9
Date Submitted Wed. Oct. 11th, 2006 6:57 AM
Revision 1
Beginner toriwells
Tags criptography | divertimento | Java
Comments 1 comments
Classe que donada una frase té com a sortida la mateixa frase però havent-li aplicat la xifra del cèsar (per defecte amb valor 3).
7
Date Submitted Tue. Sep. 19th, 2006 8:22 AM
Revision 1
Helper alambkin
Tags Exponentiation | Fast | Java
Comments 2 comments
A simple tool used for fast Exponentiation. Very useful if you are creating your own cryptograpgic methods.
6
Date Submitted Wed. Sep. 13th, 2006 9:47 AM
Revision 1
Helper alambkin
Tags Exponentiation | Fast | Java
Comments 1 comments
A simple tool used for fast Exponentiation. Very useful if you are creating your own cryptograpgic methods.
6
Date Submitted Thu. Aug. 24th, 2006 1:58 PM
Revision 1
Beginner jamesstaylor
Tags Java
Comments 1 comments
This is a quick and easy class that will generate MD5 hashes from strings. I originally wrote it to insert into my Oracle database so I could generate MD5 hases for passwords from PL/SQL.

Example

String md5Hash = stringMD5("my password");
8
Date Submitted Mon. Aug. 7th, 2006 4:48 PM
Revision 1
Scripter bertheymans
Tags Date | Java | Time
Comments 0 comments
If you only want to compare yyyy-mm-dd you can use the java.sql.Date class, the valueOf method does the trick. It's perfectly safe as the sql Date class is a subclass of the Date class.

Check out the docs here for more detail.

enjoy