36,051 Topics
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| | Hey, I'm hoping someone can give me a hand here...I'm currently writing a JApplet which uses several buttons on several different JPanels. Two of these buttons use an image and label (e.g. I did [icode]contestant.setIcon(cc); contestant.setText("C.C.");[/icode] where contestant is the button, and all formatting occurs just after and the Image … |
| | [code=JAVA] import java.util.Arrays; // Class that hold a collection of CD objects class Inventory { // maximum number of CDs that will be held static public final int MAX_NUM_OF_PRODUCTS = 10; private CD products[] = new CD[MAX_NUM_OF_PRODUCTS]; // number of CDs currently in the inventory private int numOfProducts; // default … |
| | how would i display a yes/no dialog that would return one value if the user clicks yes and another value if they click no. I know you can do it using some part of JOptionPane but im not sure what |
| | I`m trying to write a web crawler but i `don`t know how to handle the situation when i have to login to acces a site. [B]How to type in that login form from my java program?[/B] I`ve searched on the net but the results points to JSP. I haven`t worked … |
| | Hey guys, I'm trying to access the file system of a Nokia device which operates on Symbain OS 60. Is this possible with Java? I've googled around but can't seem to find much... Most likely my search terms. Could someone point me in such a direction? Thanks, John |
| | plz help me out ... i m using the following code to display an image which resides on my pc (C:\Users\vivek\Pictures\firefox,JPG)... but when i run the code ....there is no compile time error..n also not any run time error..n the output is a empty frame :'( [code=java]import java.awt.*; import javax.swing.*; … |
| | Hey everyone. I need a bit of advise on my code. Here is a sample image. [quote] ^ 20+ | | | | 15+ | | | | 10+ | | | | 5+ | | | | +----+----+----+----+----+----+----+----+> 0 5 10 15 20 25 30 35 40 Upper Left: …  |
| | Hi Guys! I need help with something that I can't figure it out on my own. I'm working with an XSLT stylesheet that constructs some URLs that are finally presented as an html page. I want to add to one of those URL a variable that I know how to …  |
| | Hi. I started looking into JavaMail today, and I got the basics down. But when I sent a message to my friends Gmail account, it said that the message my not be from me, and was sent to spam... does anyone know why? |
| | I'm writing an Email Client, and I need a JSplitPane that splits 4 or 5 JPanels instead of 2. I looked around and didn't really see anything that looked like what I need. I need it so I can adjust the size that is allotted to the subject, sender, date, … |
| | Hello Everyone, I am using ths class as my reusable SQL select for my queries in other classes. But when I used this in other classes, it generated me this error: java.sql.SQLException: Network error IOException: Address already in use: connect Can anyone give me some idea or advise on how … |
| | I wonder if i could pick anyones brains on somthing? [CODE]public void show(String add) { try { statement.execute("select * from Staff_Details WHERE Address2 =" + add); [/CODE] This is a section of code im working on. The string variable add at the end of the SQL statement is not working … |
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| | pls reply to this question how we can list systems in a network using java |
| | pls tell me how to close runinning applications using java thanks |
| | hi everyone how should i move the data of the multiple text file to another text file... (for instance you have two text files readFile1.txt and readFile2.txt and you have to move the data of the two text files in another file which is writeFile.txt ) how should i read … |
| | Hello. I've hit a brick wall on an assignment for class. I've included the instructions and what I have gotten so far. My major problem is converting the number for days of the week to the actual day. Any help will be greatly appreciated. Thanks! Insert code into the Clock … |
| | some body pls tell me how 2 make a exe file in java |
 | Hi, I am just starting to learn Java and the tutorial i am using says i need to add the path that JDK is installed to but when i attempt to save the file it comes up access denied? I am running Windows 7 RC build 7100. Can someone please … |
 | Hey I am sitting around here on my summer semester break. I am curious if anyone here is a java developer and actually makes good money at it? Basically I would like to know what kind of stuff you do, where you work from, office, home, etc. I'm just curious … |
| | pls give me web based project topics in java ..with is different 4m others.n eay 2 built.n in that project pls not send me common project topic like library mngt ,airlines,etc........... pls send me some intresting topics which so different...ok n i m not want the high project topics....i m … |
| | Can u control Dynamic Link Library (DLL) file of a usb powered drive using java??? if not,what other code can control dll files and how can it be made to communicate with java codes. |
| | Good morning, I would like to ask for your help, I am working on getting a text file read using using a java applet, the content of that text file is generated with an object in the class TowersOfHanoiExecute TowersOfHanoi towersOfHanoi = new TowersOfHanoi( totalDisks ); after which I was … |
| | Good Day, When I run my servlet in my web browser, everything runs fine ... until i press one of the option buttons, Deposit, Withdraw or Balance, then i get the following error: [COLOR="Red"] type Status report message /servlet/HTMLBank description The requested resource (/servlet/HTMLBank) is not available.[/COLOR] Here is the … |
| | hello all, I am developing a website in dreamwiever 8 first time and chose jsp dynamic page. can anyone tell me how can I add CSS to my jsp page.?? i have downloaded 100s of templates from net and tried it in <link> tag but it dint work. please help …  |
| | Hi everybody, Can somebody show me a very comprehensive way of using struts2 iterator tags. I already have the action working but when i am about to list it in my JSP it doesnt display anything. And one more, is it better to use JSTL that stuts2 tags? Please enlighten.... … |
| | pls help me for closing an application remotely using java thanks an advance . |
| | Hi All, For my final assignment, I need to create a BookCatalogue and save the data to a file on the disk. I have created a Book class that get and inserts the fields: Book title, author and type. [CODE] public class Book { private String title; private String author; … |
| | I am trying to configure log4j for one of my web projects. For that I want to read the log4j.properties file. Below is the code [code] private URL url; private File file; file = new File(url.getPath()); DOMConfigurator.configure(url); [/code] Following is the error Exception in thread "Thread-1" java.lang.NullPointerException Then I try …  |
| | Hi I am new bee to JS and PHP, i have a code to display the images from directory in the path C:\wamp\www\prawin\new\locations\test\admin But this code didnt works . can any one help me. My code is [ICODE] <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <title>Untitled Document</title> … |
| | HI All, Another Question: I have created another program that queries the StockTracker database for all users and the stocks held by each user. The program compiles, but at run-time i get the error: [COLOR="Red"]"Exception in thread 'main' java.sql.SQLException: Column not found at sun.jdbc.odbc.JdbcOdbcResultSet.findColumn<JdbcOdbcResultSet.java:1833> at sun.jdbc.odbc.JdbcOdbcResultSet.getString<JdbcOdbcResultSet.java:395> at StockByUser.main<StockByUser.java:43>"[/COLOR] I am … |
| | Good afternoon, I am in the process of learning java and I am a little bit stock on a couple of issues. I am working with javamail version-1.4.2 and JavaBeans Activation Framework 1.0.2 release. The purpose of my code is to give me the ability to move e-mails from one … |
| | Sequencer sequencer = MidiSystem.getSequencer (); can any 1 tell ...What's going on in this code .... |
| | package gcd; import java.io.*; class gcd { public static void main (String args []) throws IOException { BufferedReader dataIn= new BufferedReader(new InputStreamReader(System.in)); String strEntry; String str_C; String ans; int a[] = new int[10000]; int n=0,i=0,j=0,c=0,max=0,min=0; long prod=0; strEntry = dataIn.readLine(); n = Integer.parseInt(strEntry); for(i=1;i<=n;i++) { str_C = dataIn.readLine(); c = …  |
| | Hi All, I have created a servlet HTMLBank.java which I need to display in my browser. I am using Tomcat as my server. I have saved the class for HTMLBank in: C:\Program Files\Apache Group\Tomcat 4.1\webapps\ROOT\WEB-INF\Classes\servlet But when i try to "run" my servlet in my browser, i get a message … |
| | After I've been running my program for a while, it freezes and gives me this error in the console: [COLOR="Red"]Exception in thread "Thread-4" java.lang.IllegalArgumentException: timeout value is negative at java.lang.Thread.sleep(Native Method)[/COLOR] It gives me a line to where the error occurs, which is the same line where it says "try": … |
| | hi all! i am new to jsp, i have two comboboxes,in which values of 2nd combo box are linked two first combo box and we get values for both these boxes from database. [B]table1[/B] [CODE](pk)itemno:text itemname:text (no duplicates)[/CODE] [B]table2[/B] [CODE](pk)itemno:text(duplicates) (pk)pcode:text pname:text(no duplicates) [/CODE] i want to display.. combobox1:itemname combobox2:pname … |
| | Hello, This is pradeep.can any one tell me how can i send an pdf file to a single or multiple persons everyday by using which java api's we can do this task. And what are the steps wll take for finish this task. Regards, Pradeep |
| | Hi everyone Plz reply..its urgent I am trying to track progress of a database operation . and want to dislplay percentage progress on page asynchronously. Process.jsp - In this i used javascript to call ajax function continuously which returns precentage progress. My Code is : [code] <!DOCTYPE html PUBLIC "-//W3C//DTD … |
| | hello friends , i m in b.tech (I T) .. ! presently i am learning j2EE in a private institution. According to their norms a mini projects should be submitted based on java or j2EE.so,any body help me |
| | I need desperate help; I need to extract a user id from mysql database to make the id into a session, i have tried all that i know and it doesn't. My last resort was the following code from DW and it just breaks my design. The code is; [icode]<%=(((private_d_data …  |
| | I have a movie-player type application. You have a movie of JPanels that you can "play", that is you can have the frames change either automatically on a timer or by advancing a frame at a time manually. I've created 4 trivial frames (simple JPanels with different colors). It can … |
| | Hi, please can anybody help to open an exe file,when I click to open it,it returns the message "unable to access jarfile ./bin/examengine.jar" |
| | Hi Suppose I have my program reading from a file with the following contents: 0.000,-0.073,-0.127,0.034,-0.034,0.146,0.098,0.029,-0.093,0.088,0.107 -0.005,-0.049,-0.112,0.039,-0.039,-0.059,-0.083,-0.020,-0.103,-0.068,-0.073 0.000,0.015,-0.049,0.010,0.308,-0.020,-0.054,0.225,-0.029,0.288,0.132 -0.005,0.020,0.068,0.088,-0.005,0.098,-0.044,0.098,0.073,0.098,-0.151 -0.005,-0.005,0.020,-0.015,-0.239,0.010,-0.024,0.181,-0.015,0.312,0.103 -0.005,-0.049,-0.044,0.044,-0.117,0.010,-0.054,0.244,0.034,-0.024,-0.103 0.000,-0.137,-0.122,-0.107,-0.601,0.093,0.020,-0.068,-0.205,-0.078,-0.039 and then I use StringTokenizer (delimiter ",") and feed the numbers into a vector. [CODE] File myFile = new File(strFileName); //Pass the file content to strFileName BufferedReader br = … |
| | Is there a way to turn off auto indentation on the ide Eclipse, with every new line it is tabbing one space in, I don't see the option in preferences. |
| | hi, Im just a newbie in java, I really want to learn but sometimes I lost my guts to learn coz Im always stuck on something, for example in JTextField UI, I want the UI to accept just a numeric input and prompt the user when the input is not … |
| | i have written a program in which i am drawing using a mouse. however while drawing a new line the previous ones are still being shown. i have called repaint every time the mouse is moved. Can anyone please help. |
| | I have a code that calls a method, but after this call, any code after it is not executed....here is the method call skeleton [code=java] if(//some condition){ //some code myMethod(//some variables); //some code/*not executed*/ }[/code] the calling is done well but the code stays in that method i.e code following … |
| | I don't get where to insert the code and such; I could really use some help with this. :) Here's my java file: (I removed irrelevant stuff) [code=java] package projectprojectile; import java.applet.*; import java.awt.*; import java.io.File; import java.util.Calendar; import java.util.LinkedList; import java.util.List; import javax.swing.JOptionPane; public class Main extends Applet implements … |
 | A university has few seats vacant for the new academic yea in the various departments. Students from all over the country send in their applications to the admissions department. The applications will be processed & students who have cleared the test criteria will be admitted to the department. It has … |
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