36,051 Topics
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| | hi everyone. I have a user interface with a login button(see attachment), The problem i'm having is: 1. When the login button is clicked, i want the frame to dispose.and another frame(timerframe) to be visible. 2.The login button has an actionlistener within it. 3.The login button also connects to a … |
| | It's been a long time since I had this happen and now I can't seem to figure out how to get rid of about:blank. I've read thru a number of forums, each with their own different methodology, but yours seems to be the definitive. I'm no geek...I know just enough … |
| | I wrote this program, however I can't seem to get it to read a string of numbers. Right now it inputs the numbers as single digits and also counts the white spaces. I thought that StringTokenizer would work, but I can't get it to. It compiles, but then errors out. … |
| | Hello everyone. i'm new to the java world and i'm strugling to understand internal frames. I want to add a frame on top of another frame, and everything i try cant seem to work.Any help on this matter will be greatly appreciated. :?: |
| | Dear sir, This function converts a string to a numeric value. Provide two versions of this function overloading to return either a long or double value Here is the pseudo code for the FNVAL processing Validate the input string value If it contains any non numeric characters, then throw a …  |
| | can anyone help me with the code for a vending machine in java please im begging you guys i need in less than 24 hrs  |
| | Hi all I am currently doing a survey form which will automatically send the results to a specific email on the key of the submit button. I have tried writing out to a text file before but not to an email. Can anyone please help? Thanks a lot. |
| | Hi all, I need to maintain a text file which contains only 10 lines. As a new line is added to the top - a line is removed from the bottom. So although the file is automatically updated regularly it will always contain only 10 lines. I know how to …  |
| | dear sir Hi, In text field I want to restrict No of character entered should be only 3 if fourth character entering in same TextFiled it should not allow. How to solve it ? Warm regards sunil |
 | I know that spiders are incapable of filling out forms and the like. But if I have links that have been dynamically generated client-side by some simple javascript, are they capable of following these links? |
| | I am trying to get more control on user input. I have written a couple of Exceptions to handle two different user inputs, but I want to program to retry it if it is invalid and allow the program to continue. I have tried using a labeled break and it … |
| | Conveyor belt slideshow script- I am adding lots of images and linking them to the matching pages. Question: 1.Is there a way to set an anchor code so the slide show continues at the last clicked picture and does not start from the beginning ? 2. Opening the link in … |
| | How can I read a string in from the user? For example, I am writing a console-based java application which prompt the user to enter a string and then reads that string in. What is the opposite of System.out.println? ;) System.in.readln? I can't get it to work and I'm a … |
| | Hi, I get an error message at start up saying, This was after i deleted some adware which was changing my internet hompage to one with many pop ups Error Cannot load C:\WINDOWS\javayk.dll The specified module could not be found I downloaded spybot, adaware, system mechanic, PCbugdoctor to try and …  |
| | Hi, my problem is: Need execute a application and not display this application on screen, but need save the main Frame as image (JPG or other format) in one archive, or draw it in a variable in memory to use her as a texture of an object 3D. Please help … |
| | do you have simple code client and server for a smal example of chat multithreaded? :p |
| | Hi, I need an exampls program in java to store image datatype in ms-sql database.i am writing a jsp file in that i wanted attach a file.in oracle i wriiten like this,but i need in ms-sql.i required urgently.pls help me. code in java using oracle. i need it in ms-sql. … |
| | I have two classes. The first collects input data and calls a second class for inputing data from a file. After the data is read I would like to use it inother classes but am having problems getting the data back. To save space I will only show part of … |
| | Im new to java programming. I want to establish a connection to my MS-sql database using java. How do i do it?  |
| | I wrote a program that was compiled successfully. I wrote another program to use it but it will not see it. I am using JDK 1.4._2 "import java.io.*; import java.sql.*; class RunPM4DataAdmin{ public static void main(String[] arg){ PM4DataAdmin trythis = new PM4DataAdmin(); int requiredSize = trythis.getSize(); System.out.println(requiredSize); } } Trying … |
| | Hi All I am a c++ programer tring to run my exe from a java interface. But the java interface that i wrote run on windows and the c++ exe is in unix. This is not helping me: Process p = Runtime.getRuntime().exec("\\bmdth01\\ddef03\\ksh_sh"); the unix is mapped to my comutere via … |
| | I am pretty fresh in the java environment but i am working hard to learn. I wrote the code for a calculator, however I am having problems in making the memory buttons function properly. I have to create 4 memory buttons that function in the following way: When the memory … |
| | I'm currently working on a program that's like target practice. You literally hit...targets! However, the constant blinking that occurs when the repaint method is called has become quite annoying! :mad: I have a Timer method coupled with the ActionListener to update the screen. The need for the update is because … |
| | My problem is that :After using the program once how could i re-use it again? For axample :After i push "datalar"(meaning datas) and put the datas in after that you have to push " |
| | Hi, this is my first post and I need help with a project. I'm trying to create a target with a recognizable boundary so when you click anywhere inside the circle, a point is added to the top-left corner of the applet. I've succeeded in being able to click inside … |
| | Hi I am working on an application with many arrays and the output needs to be in differnt formats on a page. That is I will have tables, graphics and regular lines of text. It would be nice to view the information and than have the ability to print it … |
| | hi, I have a little problem in my project that I came-up with this morning (programming a simulation of a 24h-pizza-dispencer) [COLOR=Navy]I need to count the decimals after the comma of a double[/COLOR] how do I have to write this? ex.: 12.12 -(outcome)-> 2 decimals 12.123 -(outcome)-> 3 decimals (the … |
| | I wrote a program, and when I compile I keep geeting cannot resolve symbol in four locations. Is there an easy way to fix the problem  |
| | Hi all :) I'm trying write an email program in java which can send an SMS when an email is recieved. However, I dont know much about this like for example, do I need to have any authorisation from a telecommunications company to do this? Also, I want it to … |
| | Property Description : (list bar) Property Description : null (submit button) ............................................................................. As you can see from the above, i need to choose option from a list bar. after choose an option, it will automatically show at below replacing the null. when the statement is display, i can change it … |
| | Can someone help me design the algorithm for this project. I am not asking for any code, just a plan of atack. [b][font=Arial][color=#8f0000]Option 3[/color][/font][/b] [b]Purpose:[/b] The purpose of this programming assignment is to pull together all the programming skills of this semester. The assignment will be an exercise in problem … |
| | I am (very) new to Java and am trying to convert a large VB 6 program to Java. My program does a lot of calculations and then outputs the information to screen, file or printer. My problem is outputting the data in a certain formate and viewing/printing the info. The … |
| | :!: [size=4]My computer had a virus for months and i couldnt use it. it was called trojanhorse.exe or something like that. well, when my computer finally got fixed, my javascript stopped working and so did microsoft virtual machine. the error message says microsoft virtual machine cannot be found. class not … |
| | [size=3][font=Times New Roman]What parts of the client code if any need to be changed in a client-server system (i.e. code using sockets) if the server is moved and why? [/font][/size] [size=3][font=Times New Roman]What parts of the client code if any need to be changed in a system using RMI if … |
| | i am creating my own web site using jsp. i plan to add 'chat service' like mirc or icq into my web site. how can i create the 'chat'? is there any third party software that i can use? |
| | Ihave an application that is written using JSP and Java Servlet. Now I need to add more functions to the application. I need to allow the users to upload word files, and send it as email attachment. Please help. Thank you in advance for your help. |
| | [font=Comic Sans MS][size=4]Hi Everyone,[/size][/font] [font=Comic Sans MS][size=4]I am a student and I have been asked to make a program to create business cards. At the moment I have made a fully working application with file IO. The program basicly takes any input into the text fields and displays them on … |
| | there are two examples which are seperated by"-------" sign to use them just put them through a java creator.post for comments ------ "A rational anachist believes that concepts such as 'state' and 'society' and 'government' have no existence save as physically exemplified in acts of self-responsible individuals.He believese that it … |
| | well it actually works but the circle kind of slides instead of staying put.Help with the algorithm would be welcomed.(actually i need help:sad: ) ---------------------------------- import java.awt.*; import java.awt.event.*; public class hata{ public static void main(String args[]){ Pencere pen=new Pencere(); pen.setVisible(true); } } class Pencere extends Frame { int xcoor,ycoor,width,height, … |
| | How To Drag And Drop An Image Onto A Tabbed Pane |
| | I am studying Programming and trying to get my assignment to work the problem is with the MAINTENANCE PART in red I can get it to work! Can anyone help!!!! public class Assignment2 { static final int TotalCans = 50; // The total number of cans avaliable static String Drinks[] … |
| | Alright i have the code [b]shapes[i][/b] Ahat would the equivalent of that be for a linklist named list? I tried [b]list.getdata(i)[/b] but it's not working. Can anyone help me? |
| | Ok, this is an extremely stupid question, and I feel retarded for asking, considering how much I've been studying Java. But anyways, here goes. Let's pretend I've created three classes, Class A, Class B, and Class C. Now in A I create an instance of Class B, let's call it … |
| | Hi there, I'm currently writing code for a translator. The task is to open a file from anywhere on my network, then display it and then allow to save the file. So far I have a window that allows a user to browse for a file, open the file and … |
| | Don't know if you can help or not. I play a game called "literati" on Yahoo! The game applet is too small. I've never had a problem before on my other computers but I have a new Dell Laptop that is displaying the applet too small. Everything else seems okay. … |
| | Hi all, I have copied the following Java IO example from a manual: public class Act2_15 { public static void main (String args[]) throws java.io.IOException { int v = System.in.read(); System.out.println("Value read was " + v); } } but find that, when I compile and run it under bash, the … |
| | Hi, I have a problem that my program is writing only single line from the dataset whereas I want to write whole data from the data file to be read and written on the screen. Somebody help me. This is my program: import java.io.*; import java.util.*; class QueryAnswering { int … |
| | [b][size=2][color=#7f0055]hey guys i need some help, i posted my assignment and also the code i have so far, i'm almost done i just don't understand how round robin part works. Write a fully documented class named Simulator that contains the main method that will simulate the system. [b]Your method should … |
| | [size=3][font=Times New Roman]Could anybody please tell me what is the advantage of declaring variables to be of an interface rather than class type?[/font][/size] |
| | I am very new to Java and I'm trying to write a Java program to read a ASCII text file, modify a field and save it. I'm not sure how to create the file definition so I can break out the individual fields. The records and fields are all fixed … |
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