llemes4011

Hi, I was wondering, is their any way to draw/add a JFrame inside a JApplet. I have this JFrame that needs to be in Applet form, and I don't know how to go about doing it. Completely re-writing it is out of the question (5 or so classes). I didn't …

Hi all, I'm working on a C++ app that needs to communicate with a server. I was wondering if it would be possible to use Java for the Server, and C++ for the Client. I'm assuming it should work (without the use of JNI) because TCP packets are TCP packets, …

Good evening, I am trying to simply open a folder located on my local C:\ drive, to be exact just for testing purposes I am trying to open C:\temp folder. What I have is a JFrame with a single Jbutton and some code, however when I execute the button, nothing …

Hello, I was wondering if anyone knew anything about programming Microcontrollers with C, and if so what controllers are best/have the most room for the least cost/ easy to get the code on. I know nothing about what's needed to get it up and running, or even what to buy! …

Hi i have been trying to get a GUI in BlueJ working properly but i hav come across a prolem, i hav 2 buttons which i want to use but when i click them the actionListener wont run my methods. In the action preformed bit i tried to make it …

Hello, I'm working on a specific classloader for my application, but I'm having trouble getting the Generics to work the way I would like them too. I have the following: [code] public interface Loader<E extends GEObject>{ // methods } public class GEClassLoader<E extends GEObject> extends URLClassLoader implements Loader<E>{ // methods …

hi..! i have a project that we need to research a java source code or C source code of the game LUCKY 9.. we are not required to make the game but we are required to research a "ready made" code for it... dont worry that i may not learn …

Hi. I decided that I wanted to try something hard - write a program that allows 2 different mice to be used simultaneously by the same computer. I realize that this is going to be very difficult, and require not only C++, but probably some low level C, if not …

I'm somewhat new to C++, and this question has been nagging at me. Is it more efficient to use a Pointer, or an actual object? Here's an example: [CODE] class SomeObject{ public: SomeObject(); /* Other methods */ }; int main(int argc, char **arcv){ SomeObject *ptrObj = new SomeObject(); // Do …

This is a very basic implementation of a Julia Set Fractal Generator. All of the variables are coded in, so feel free to change them to experiment with different results. I give an explanation of Complex Numbers and the Complex Plane, but you should look it up for your self, …

Hello all, I have the bluej source code in eclipse, and it compiles fine, but when I try to run it BlueJ starts fine, and then pops up an error window that says that bluej couldn't create a VM. My installed BlueJ has never given me this error before, so …

Hello all, As you may know by now, from my previous posts recently, I am working on a Paint application. My question, then, surprisingly does not involve Graphics or Swing. So my question is this: I would like to be able to have a directory such as "APP_HOME\tools" or something …

I'm working on an rpg game, and one of the big issues that I had (have), is having the players actions change around other objects. For example, normally the "a" key would attack, but when next to a person, it would trigger a dialog sequence, and when next to a …

The company that I work for just bought a Qt License, so we've been messing around with it. So far, it's really nice. I'm more of a Java guy, and it's made the transition from Java to C++ much easier. The only real problem I have with it now, is …

Hi everyone, I decided that I wanted to try to write a graphics library. Yes, I know Java already has one, I just thought that it would be fun to try. I looked around, but couldn't find anything on the subject. I want it to be for Java, but I'm …

Can someone please explain what both of these mean and the good details about them. Please also explain the parameters of how to use it.

Well I was just wondering what should be the first step of making a project(school or professional). Ohkay we've conceived it all. But i just make a garbage of ideas. How to make them bit neat n clear. What shud be the steps, a developer should take before going for …

Ok, well I am JUST beginning to learn Java, and I have run into a little stumbling block. I am attempting to write a little applet, but it doesn't seem to want to run. My Java code: [code=java] import java.awt.*; import java.applet.*; public class TestApplet extends Applet { public void …

Hello. I'm trying to write a program that registers Mouse Clicks that occur on the System, not just in a JFrame. Does java6's desktop integration allow this sort of thing? or would I have to use JNI to listen for Mouse clicks and Key Pressed?

Hi, I have been trying to get a java program that draws a line directly on the screen. I have made ones that draw on JApplets and JFrame's but i cant work out how i can draw directly on the screen without having something in the way. I looked at …

I am writing integers from 1-100 into a file separated by commas. I need to know how to read in a "," into a file and print it out again. Below the code is sample output after execution of the code. The comma is not output correctly. I know it …

Hello! I'm writing a fractal generation application. I have the fractal part down, but I can't seem to get the coloring right. What I want to do is, as the number gets closer to infinity, the pixel it relates to's color should get darker (Black relating to infinity, The other …

Hello. I've been using NetBeans for quite a while, and I really like the Draggable components that it uses. In both the GUI Builder & the GUI itself. So, my question is, How do you drag components around in the UI like that? I've looked into the java.awt.dnd package, and …

Hello there. I've been contemplating on this matter for sometime, and now I'm left stumped. I'm a college student taking a Java 2 course, and was given an assignment that i've nearly completed except one problem. The program description asks you to read from a binary file using the .readUTF(); …

Hello everyone =) I'm a Java programmer who wants to do work with databases. MySQL seems to be a popular choice, but I don't know where to start. I messed around with Derby, but I didn't really understand what was going on. If anyone could point me in the direction …

Hi everyone. I know that asking for project ideas is generally frowned upon, but I wish to ask anyways. This isn't for school, it's just because I want to. I want to start writing applications that would be used in a business or workplace environment. I don't have a lot …

Hi All, Is it possible to convert an arraylist of chars to an array? For example: ArrayList<Character> array = new ArrayList<Character>(); Can this be converted to an array of chars. I have tried using the toArray method but it is not working. Does anyone have any suggestions? Thanks, Kimjack

I just finished this project, thought I had it done, but on line 1, it's telling me, "incorrect Package". What am I missing here? [code] import java.awt.*; import java.awt.event.*; import javax.swing.*; import java.io.*; public class JavaNotepad extends JFrame implements ActionListener, KeyListener { boolean txtChanged = false; String fname = ""; …

Hello, I'm using NetBeans 6.7.1, and Derby 10.5.3.0. I'm trying to learn how to write Database applications, and I'm having trouble connecting to my Database. It loads the Derby Driver (EmbeddedDriver), but won't connect to the the Database named test. I looked at tests Properties in NetBeans, and it said …

Hi All, I teach java to 2nd year students who are doing a very basic module on GUI and applets, without any animation etc. I need to give the class an individual mini project. Please could people suggest possible project ideas for a 2nd year CS. The syllabus does not …