31,001 Topics
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 | I have a group of textField and I need to add some more to this group dynamically with user input. For Example Scenario. I have some stuffs that are sold in a shop and I have textFields for each to show their amounts. I get a new kind of stuff. …  |
| | Java - Is it possible to run the swing class in the applets. I'm having problems running the message windows inside the applet windows... any suggestions? I may need to know this for my future programming assignments. Thanks! |
 | Hi everyone, I'm having trouble inserting icons into a textpane and I'm not sure why. I'd like to set up a textpane and then be able to insert and display images in that textpane during runtime. As a test I've written the code below for a simple GUI with a … |
 | Hello guys, I am working on a project that deals with a store. but here is my problem i am having problem inserting multiple record into the database instead my code is summing it up. Can anyone give me an idea on how to insert multiple record into a database. … |
| | Is this possible? I'd like to add a java file in each tab of this JFrame. I've already created the files, I'd just like to show both files in one. The files I'd like to add are commented out: storageSP and calculatorEDL [CODE] import javax.swing.*; import java.awt.event.*; public class TabbedPane … |
| | anybudy can explain how do i connect my weight machine to pc...to calculate the weight of the object in pc..... |
| | Hello everyone, I currently have an application that reads in an entire excel file then iterates through the records from the file and queries our database for a match. If a match is found the record is ignored if a match is not found the record gets added to the … |
| | I'm creating a word processor similar to Microsoft Word (but much simpler). I'm having a problem with a dialog box. When a user presses the 'new document' button, it prompts the user to enter the file name, and when the user does so, he presses ok, and the file name … |
| | Hi all, I've been struggling with a Swing issue for days now, maybe someone can help me :) I would like to see several icons at the left hand side of a JTree element. Is that possible? I mean i know that I have to create some tricky cell renderer …  |
| | suppose we know the name of textfields on a html page and we wish to write a java prog. to automatically login on website with our given predefined details. i mean sending an http request with values for login fields through a prog. and then handle the response. |
| | [code=java]*/ import java.io.*; public class DriverBuggy { public static void main(String args[]) throws IOException { Buggy app; app = new Buggy(); app.appMain(); } // end of main() } // end of class Driver class Buggy { /* Instance Data Declarations */ BufferedReader stdin; // define stdin int firstVar, secondVar, thirdVar; … |
| | HI all, apologies for the strange username! I have a string as follows: 13866,Stephen Moran,Stephen Moran,Killaroo,Streamstown,Westmeath,Ireland,,Moran ,2010-08-05 00:00:00,0,0,,,0,O4,Moran_013866 There are 17 place holders in the string, sometimes they will be empty,sometimes not. When I tokenise it , the blanks are being ignored and its doesn't return 17 tokens. Is there … |
| | List<InputStream> pdfs = streamOfPDFFiles; List<PdfReader> readers = new ArrayList<PdfReader>(); I saw many programmers using this syntax . I didnt get it? Can anyone help me to expalin this in detail ie. <InputStream> what does this mean? and can i implement this same idea with any other code which is simpler? |
| | hi i want make a table using swings and whatevet i wil enter into the table that data should be saved in database.That table should be editable and i should be able to retrive that data from the database.Please help me.I'm trying but unable to do this. |
| | HI I AM A STUDENT OF M.C.A. FIRST YEAR PLEASE SUGGEST ME ANY PROJECT WHICH IS NEVER USED BY ANYONE AND I CAN MAKE I MEAN DEVELOP IT BY MYSELF. MY EMAIL ID IS " <EMAIL SNIPPED> " please as soon as possible |
| | Can anyone help me? Actually I want to lean Advance Java (J2EE), the problem is, to go further you should have two knowledge : 1. knowledge on RDBMS 2. knowledge on ODBC & JDBC however I have little bit knowledge on database, and SQL statements, after that everything is blank, … |
| | Hi mates, Firstly I'd like to apologize if the forum is wrong but I can't find the forum for my topic. I'm a software engineering student from Turkey and I'm trying to lead my career as best I could. A software engineer should have knowledge of any technology, C, C++, … |
| | Hi all I'm having a bit of trouble wrapping my head around exactly what hiding a class method does, can somebody try giving it to me in plain English? I'm going by the [URL="http://download.oracle.com/javase/tutorial/java/IandI/override.html"]Sun Java Tutorial[/URL] but I find the example a bit vague when it comes to the hiding. … |
| | please help with my connection i'm getting error("exception: org.postgresql.util.PSQLException: The connection attempt failed.The connection attempt failed.") this is my code.. <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <%@ taglib uri="/WEB-INF/struts-bean.tld" prefix="bean" %> <%@ taglib uri="/WEB-INF/struts-html.tld" prefix="html" %> <%@ taglib uri="/WEB-INF/struts-logic.tld" prefix="logic" %> <%@ page language="java" import="java.sql.*"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML … |
 | how does one call a windows (dos-like) command from within java? such as net stop spooler can one capture the resulting text (such as, spooler stopping, or error such and such) |
| | I'm working with a java application and trying to modify this code so that it no longer prompts the user with the Dialog box to save a txt file. The user already uses the Dialog box to choose a directory in which to save the file at an early point … |
| | I am quiet new to using NetBeans IDE. I have created a file menu. When the user selects an option from the menu, a window should open,or a form should be loaded. So as far as i have figured out, the event needs to be handled by a mouseClick method. …  |
| | How would I make something like a high scores function on a java applet? Like how would I record the score the person got and then access later? |
 | I need to use log4j and I have already imported the .jar, and added the necessary code to my project. I get the following warnings when trying to run my program: log4j:WARN No appenders could be found for logger (multithreadsprocessor20.MultiThreader). log4j:WARN Please initialize the log4j system properly. log4j:WARN See [url]http://logging.apache.org/log4j/1.2/faq.html#noconfig[/url] … |
| | I know how to se the font of a regular JTextArea, but how would I get an reference to the selected text and only select that? Here is what I have so far: [Code] setFont(new Font(font, style = Font.BOLD, size)); [/Code] this works but changes whole area [Code] textArea2.getSelectedText().setFont(new Font("sansserif",Font.BOLD, … |
| | helloo, hello can you help me please i want to write to a file using bufferedwriter and bufferedreader but the problem is that i don't know how to use it i get an error please help me,hoping for your positive responds... [CODE] import java.io.*; import java.util.*; class Writefile { public … |
| | hi i am trying to make a currency converter to convert British pounds, US Dollars and Euros . i have the GUI made but i wanted to make a separate class to handle the conversion of the currencys but im not sure where to start so i was wondering if … |
| | /** * Class BankAccount - a simple model of a bank account * designed to illustrate the concepts of classes, objects, and methods. * * @author Man Hin Wong * * @version 2010.08.12-version */ class BankAccount { // These are the instance variables private int balance; private String accountName; // … |
| | Hi, Can any one say what is the difference between the implicit and explicit? Thank you, With Regards, Prem |
| | hello....sir i have to access image from mysql database using java program and display it on the window please any one can tell me solution for this problem thanks in advance |
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