I am using Jsp/OracleJsp & some java class are used for the business logic and orcale for the data store ? what type of pattern u say for this type of architecture ? what is this pattern ?

I am using a game engine "gameframe" which can be downloaded from www.gamedev.net/hosted/javanerdi wanted to know how can i create a moving backgrond like the background moves left or right if we move the character left or right respectively. If anyone is using the same engine please help me ...

Hi i would like to create a HashTable that adds rectangles to an underlying arrayList, using the x,y,width,height of the rectangle to choose the index of the rectangle in the list.The reason for this is to speed up the retreival of the rectangle when searching with its dimensions.How do you use ...

i'm new to java but i learn extremely fast so don't be afraid to get really technical/advanced. i want to make a 2d game engine for a fighter, i can handle the number crunching but i'm really more interested on how to import graphics and give them characteristics like ground and backgrounds. ...

Hi,I have written a bomberman game and would appreciate any comment (bug report, install problems). You can download the game (open source) from http://studwww.rug.ac.be/~jpwinne/bombman.html

Hi All,I am new to Java world, been Oracle DBA so far and I am dealing with the following situation and need your input/comments on this:We have a business entity called Button and the button can be one of the following types:HTMLButton, MenuButton, SearchButton etc.So in our UML Diagram, we ...

Does anyone remember the arcade game Qix (or better still, currently have access to one)?I'd like to write a version of that game - I always really enjoyed it when in my teens. However my teens were SOME time ago and I cannot remember some of the important details.E.g.1. Did the fuses get lost ...

I want to be able to uniquely identify a file by it's contents so I read the file and use java.utils.zip.CRC32 to compute the checksum value. I store the checksum value and compare any new file to the saved checksums to prevent the same file from being processed more than once. What is the ...

Have two arrays: ttt and ppp. I have to have a method to compare them.public int compareTo(object ob)both of the arrays are int type and both have super long numbers in them.Thanks

HelloI would like to have some feedback about that game : http://www.venihayet.netteyim.net/GraphGame.htm I know that it's not much enjoyable because it has to be played with two players so you must find somebody and for each time you must give the other the mouse.But I can't do it better ...

I am Just starting up with UML and OOD Can anybody tell me what is UML,OODand where & how it is used ?And where the good downloadable docs/tutorsavailable ?thanks in advanceEla

I'm trying out fullscreen mode for a bomberman remake. I'm getting very bad results and I don't know why. I am using StrategyBuffer and a BufferedImage for the background. Thanks in advance.

I am using the J2ee application server, trying to run the BonusApp example. If your not familiar with it, it is a two-tier application. Now I did everything right as far as add all the components to the Application. Why when I run the file bonus.html (after the application has already been ...

How do you write a video game in Java? I've tried before but I can't do it. I've known Java for a year or so. I've made web servers, zip file programs, and GUI apps. but I don't know how to make games? How do you do it?thanx

I am chinese ,live in shanghai.I eager to get know to more foreign friend,so we can share the technology.if you are agree ,please leave your MSN mail address.thanks

Hello Guys,I would like to ask the gurus here about a problem I am experiencing. I am writing a Java 1.4.0 application, and in certain occasions I experience consumption of GDI objects. I see this using the Windows Task Manager. No other problem at all, like memory leak, or handles increasing - ...

Hi all!I wish to compare two result set's from different sources, the later data being populated from the previous one. Both the result sets will have some data which i wish to compare (extra data in both result set is present). Now in the later datasource changes can be made and records can ...

Can anyone suggest other modelling languages that have been used either today or in the past and their pros and cons

Here's a reasonably interesting requirement for an algorithm - well I think so anyway.Given any arbitrary range of numbers that represent plottable points along a graph axis, display suitable labelled grid divisions along the axis with "human meaningful" amounts on the labels. The graph axis ...

hi,I have downloaded j2sdkee-1.3.1 in c drive.set the path to j2sdkee-1.3.1\bin.ant's bin directory and jdk bin directory are already in the path.now when i try to run j2ee -verbose at the command prompt i am getting j2ee is not an internal or external command.plz help.Thanks and ...

Hi all,Anyone care to check out my port of Elite(the classic space trading game) to java.It still has some way to go, but you canfly around and trade, pretty neat.Uses Java WebStart for deployment,and tested under JDK1.3 and JDK1.4anyways, pop over to http://javanicus.organd let me know what ...

what is the difference between structred and object orientated programming

Anyone play Jumpgate for the PC? It has some good potential but is lacking in some areas.Do you think it is possible to write a "massive" multi-player online space sim in Java?

hi this is an assignment that i have to do and i've written somecode below. but i have to find the maximum and average of therunning time by repeating 5 times. please help me! design an application program that performs benchmarking tests for ranking the sorting methods heapSort, mergeSort, ...

i always see only such stupid applets coded by a student within a few days, that is not a really game. java has such rich possibilities like hardware acceleration 3d abilities and the siound api - but isn't there a really serious game project yet? almost all shockwave/flash games i saw were ...

Hi guys,I m very much interested in java and SQL, can any body guide me that is there any certification for java+SQL or java+SQLServer2000, and does is worth to get these kind of certification now days.I will really appreciate you comments.Regardsdanial

I am an assembly language programmer. For speed's sake, Iwould like to program in JVM code rather than compiling JAVA.Now if I am writing a 3D game, how do I put pixels on thescreen in JVM? How do I read the mouse and keyboard?I don't use API's or classes, just the minimum code ...

I'm a bit rusty at Java but my development group needs to develop a chess game using text. Any ideas or good starting places?Michael

I'm using the full screen API, and I've run into some problems... I'd like to have my game load, and have some sort of image along with spots you click for "Start Game", "Quit Game", etc. My first thought was, have a panel in my full screen frame that holds that, and when the user clicks ...

I need to know the proper way to double buffer graphics to remove the flicker in animation.Do you 1) Draw the graphics to separate images and then draw the images at different locations on the screen.Or 2) do you draw all the graphics to one big image at different locations on the image, and ...

I have noticed loads of topics lately along the lines of "Can I write a quake style shooter in java" or "could I write a mmporg in Java" and similar for almost every style of game. I'd just like to make a quick point on this:Java is a programming language. At the stage it has reached now it ...

Hi everyone!I need help desperately!! I'm programming a simple game with a user that's shooting cars moving around. The problem I have is the routes for the cars. I need an algorithm that makes the cars move in random (interpolated) nice routes (not back and forth or routes with "cuts" or ...

I need to make a Tic-Tac-Toe game for a Java class. I'm not really sure how to get started (I'm not that great of a programmer). I know I'll need something for a board, marking the board and such, but I'm not sure where to start as far as turning it into code. Here's the basic outline for ...

Any ideas in what tools that i cold use in developing an animated 3D application for kids. I am hearing things about VRML and java3d but would like some expert advice on which tools would best suit. Which of these tools would be easy to work. Any good books to help ? Any ideas are appreciated. ...

Hi,Could somebody explain to me the difference between aggregation and composition since they are both has a relationships as far as I know.

I am developing an application using MVC, and was wondering if it appropriate to use the singleton pattern on certain views, such as modal dialogs. It seems to me that this would make the code simpler and easier to read. What would be the advantages/disadvantages of this? Thanks for any ...

Hi,I am tonmoy. My question is:1. How can I create beautiful GUI as we see in FIFA98, or Mortal Kombat games ? 2. What are the books available regarding games with java?please help me. thank you?

Hey, guys, who have some free time, look please on my Java 2 v. 1.4 project: http://stridmann.narod.ru/java/snake3/Any comments are welcomed!P.S. All graphics were made by my girl-friend (except two ones...), but sound effects were stolen from the Artsoft's Rocks'n'diamonds... I'll change ...

I have written a Servlet that needs a class to load the files and the class definitions. Basically, I have a class Config that will retrieve rows of data from a MySQL database and then populate the variables to the appropriate classes. Would a ClassLoader do the job?If not, what is the ideal ...

Hi,I am writing a very simple 2d scroller/platformer game for my computer science course at college, using Java 1.3. I have movement, sound and jumping all working, and the next challenge is 2d collision detection, in particular detecting when to stop moving the character when they jump onto ...

I抦 new to Java and I need some helpProblem:I have the user of the program enter in a word and I want to check that this word is in the English dictionary. Does anyone know a solution to this?Any help would be appreciated.

i have a number of problems-- but will start with this one first:1) first. imagine there is 2-d surface that is 15 kilometers x 15 kilometers. there are "points" ( reception test points for anyone familiar with cellular communicadtion ) placed every 100 meters on this 2-d surface. So a 15 x 15 ...

connot get java to run I installed jdk1.3-0 and javasoft every timeI try to complie it's saying connot open javasoft so I try to uninstall javasoft as all I need is jdk1.3 but I connot do so message said missing uninstall file how do I uninstall with out the unistall file what should I ...

Hi.I'm having trouble trying to download Java 3D.I'm not sure where to begin. If someone could give me a step by step procedure as to how i can download it then that would be great.

I have been working off and on for the last four or five months to write my first full-scale project in Java... in this case, a rewrite of the Star Dart server ( http://www.stardart.net/). However, I've spent hundreds of hours working and learning but am up against a roadblock. The game logic ...

I keep getting OutOfMemoryError using this repaintCanvas method: public void repaintCanvas() {if(!theParent.isVisible())return;buffer = this.createVolatileImage(this.getWidth(), this.getHeight());Graphics2D g2d;if((g2d = (Graphics2D) buffer.getGraphics()) == null) // gotta be a better way to ...

Hi., I am developing a chat system, I would like to transfer the file from one client to another client directly. How can I do this, If you have any source. Pl. frw. it to me.Thanks.

Hi I notice that the ServiceLocator Pattern is implemented as a singleton when used in the client or web-tier and caches the home objects.However, when used in the ejb tier, the ServiceLocator pattern is not implemented as a singleton and does not cache home objects.Are there any specific ...

Hello,I am new in this Forum.I d'ont speak very good english....I Have a big question, I'm begin with Java programming and i'm intersted with AI Algorythm programming but i don't know how i must commence with.Some one can help me ?I search for good documentation about AI or Source Code (or ...

Hello people. I'm a new guy around here. I'm also new to Java. I only started learning it by myself a few months ago. I have developped a maze game that I put online at http://pages.infinit.net/dantre/MazeGameEnglish.html (or http://pages.infinit.net/dantre/MazeGameFrancais.html for a french ...