35,618 Topics
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| | i am writing one java code in notecode.once i am compling the code in command prompt it is showing the following error: javac is not recognised as an internal or external command ,operable program or batch file. what does this mean?..i am using jre7 java version.i have also specified the … |
| | hi all m having problem deleting table row from button in jtable .here is my error when i press on delete button this code is similar to my original code . please i need immediate feedback m stuck in this error from days.this is the error [code]Exception in thread "AWT-EventQueue-0" … |
| | I have an assignment for a class i'm having trouble with heres the prompt: Research reports are required to conform to a given standard (e.g., APA, MLA). These standards specify rules such as the size of the margins, formats for titles, paragraphs, references, page numbers, etc. Consider a program that … |
| | Hi,I Am writing JavaScript to display JSP pages in JavaScript tabs,all JSP pages displays dynamic data,all JSP pages are working fine if i run individually,when i try to make it as tabs jsp pages are not working.can any one help me to solve this problem. my JS code: [code] var … |
| | Hello: We get the following message when we boot up our Windows Vista laptop, along with it popping up at any time at all when we are using the computer. This is what it says: Java Virtual Machine Launcher Could not find the main class:com.anabel.pp.JettyPersonalizationServerMain.Program will exit. Any help in … |
| | Hello, I have written a program for an assignment and all was working well, I tested everything and all that was left was to put in a few error-messages. Then, I changed the format from ISO to utf-8 and when I tried to run it again it suddenly stops at …  |
 | I want to create MouseListener library from scracth... Its just a assignement ... I have no idea to develop a thing in which i cant use that api directly from java... Please Help. |
 | When I debug this method, I can clearly see that currentNode = Workstation, so I am puzzled as to why I'm still entering into the "Node" buffer print, rather than the "Workstation" buffer print. Shouldn't polymorphism handle this for me?: part of Node Class [code=java] public void printToBufferAsHTML(Network network, StringBuffer … |
| | objective: Write a class Bug that models a bug moving along a horizontal line. The bug moves either to the right of to the left. Initially, the bug moves to the right, but it can turn to change its direction. Provide a constructor. All methods are included below. [CODE] public … |
| | how to move a jframe which has no taskbar? [code] frame.addmousemotionlistener(this); public void mousedragged(MouseEvent e) { // What to write here } [/code] I tried setBounds of jframe but it flicker when we try to move the frame. |
| | need help to making change I have read textbook a lot but i still dont know what to do next steps. Here is problem. The program should prompt the user for and accept two inputs: 1. The price (including any applicable tax, etc.) for whatever was purchased by the customer. … |
 | I am trying to do basic animations with images, and I am wondering how I could get a smaller image from a larger one without going through and editing it. I made a sprite [URL="http://translate.google.com/translate?hl=en&u=http%3A%2F%2Fwww.famitsu.com%2Ffreegame%2Ftool%2Fchibi%2Findex1.html"]here[/URL] and downloaded the image. As you see in the thumbnail the animation is from all … |
| | I am taking data management this year, and we are currently learning about matrixes. I know they are used to encrypt things, and the teacher even used it as an example. my problem is the following. We are only learning how to encrypt and decrypt using a 2x2 matrix. That …  |
| | Hello! I've made a custom JPanel that overrides paintComponent which paints a rounded rectangle. My problem is that when I place other components in the panel, like a JLabel, they don't get rounded corners like the panel they are in. here is my panel class: [code] private static class BackgroundPanel … |
 | Hey there, I am aware of GridLayout, BorderLayout and FlowLayout classes. However, I find them not to work satisfactorily well for me when trying to layout the entire content in a frame. What I usually do is this: I identify parts that I want in my window. For each part, … |
| | Hi all, I'm coding Conway's Game of Life for my Java class and I've run into some logic errors. My problem so far is the fact that I have a section of code that looks similar to this: [CODE]if(board[i][j+1].getLife() == 1) board[i][j].setNumNeighbors(1); //Where setNumNeighbors(int n) { numNeighbors +=1} }[/CODE] etc, …  |
| | I'm using Ehcache beside Hibernate. I need a cache manager in my project that could do these things below: 1- I wanted to refresh some caches 2- I wanted to remove some caches I will be happy if someone can help me and also guide me how to make a … |
| | Soo my program is working...but there is just one problem...null is also being printed along with the content or string from the file... is there anyway i can stop null from being printed. The code read asks a user to give a filename .txt then the user is asked a …  |
| | I'm trying to create a java applet that displays farhen and cels temperatures in a chart. Temps below freezing need to be displayed in blue, and about boiling displayed in red. It needs to use applet graphics to draw the strings in different colors but I'm fairly lost when it … |
| | I heard if i dont have 3 yrs experience in java i wont be able to get a job easily. Does DotNet have more market value than Java ??? What I've heard is that java is in more demand and also it is less frustrating than DotNet. Please clear me …  |
| | Hi, I'm new to jsp, and right now I'm doing a school project. I want to change the part of my page that has the login fields to say the username of the person who logs in (as opposed to just leaving them there and having the person wonder whether … |
| | In the following example: [code] public class JavaExample { public static void main(String[] args) { system.out.println(args[0]); } }[/code] when no parameter is passed Exception given is java.lang.ArrayIndexOutOfBoundExpection So my Question is that Why is that Exception is thrown , why not NullPointerException. (I know when both expection thrown) But in … |
| | Hi all, I am attempting to connect to a MS SQL Server Express Edition with Advanced Services (MS SQL10) on a remote Windows NT 5.2 machine on the LAN. My driver is [B]net.sourceforge.jtds.jdbc.Driver[/B] My url for the connection string is [B]jdbc:jtds:sqlserver://127.68.0.201:1433/LOD[/B] My user is [B]d[/B], password is [B]d[/B]. Now, when … |
| | how to execute a java program when we try to delete it....???? |
| | I am creating a java program that will take 10 user input grades from 1-100 and display them as a letter grade, then calculate the percent of how many letter grades there are in total. The last step is to figure out how to get each letter grade, lets say … |
| | Hi, I am working on a calculator using Java Swing, and have it done, but I was wondering how you would make it so, say when a certain keyboard button is pressed, that number will appear in the text box. Currently, it works so when you press said JButton, that … |
| | Dear sirs, I would just like to ask a quick question: What control would i use for creating a paint-like program but with layered features? It was a choice between GlassPane (but am not to sure how to use it despite the fact i have been up all night researching … |
| | How to isolate digits in a long variable for JAVA? long 122343434434 how to isolate the 2nd number? |
| | I need to write a code to find greatest common factor of two numbers but I have no idea how? any help? please. |
 | where does eclipse get installed, i know ive choose the folder for the workspace, but not the IDE in its whole. why? im on win32 and i need to drag a shortcut on my desktop thx Fund it, nevermind, it's the uncompress folder and it doesn't install itself. DarkMonarch |
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