35,619 Topics
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| | so I am trying do this problem involving linked lists where i need to basically make 2 linked lists each representing a polynomial. I got all that down... now I need to make a function to add the two polynomials and this is where i got stuck. I have the …  |
| | Hi guys I'm trying to learn animation/graphics(they're synonymus to me) what would really help me is a working model of a line turning on an intersection. I've searched around and all i can find is clocks and stuff but all i want is the basic code to cause a line … |
| | I'm trying to develop an editor which you can insert text and draw shapes on. To do this, I'm using a JPanel as the main panel, and listening to mouse actions I add new JPanels into it. I draw the shapes on the small panels using getGraphics(). But the main … |
| | Hi .. I try to override the XmlWebApplicationsContext and I dont know how to register my subclass. I found in ContextLoader.java in the method determineContextClass the following code: String contextClassame = servletContext.getInitParameter(CONTEXT_CLASS_PARAM); I looks like I could set the class by setting this Parameter but I down know how. In …  |
| | [B][COLOR=red]I m in urgent need of online flight reservation system source code coded in JSP since i hav to submit it before 15feb.[/COLOR][/B] [B][COLOR=red]the system must do the necessary functions-[/COLOR][/B] [B][COLOR=red]flight infornmation,[/COLOR][/B] [B][COLOR=red]fare details,[/COLOR][/B] [B][COLOR=red]online reservation,[/COLOR][/B] [B][COLOR=red]cancellation,[/COLOR][/B] [B][COLOR=red]view availability of seats,[/COLOR][/B] [B][COLOR=red]administration functions such as edit details,reports generation,etc[/COLOR][/B] |
| | Letter Maker Objective This project will give you some practice with loops, static methods, removing code duplication and introduces the notion of having multiple classes working together in a single project. Overview The project consists of several classes working together -- most of them are provided for you -- only … |
| | [This is a multi-post; I thank you people for the attention] hi How could I show a database datetime field (like mm/dd/yyyy) on a JTextField? regards  |
| | All, I have worked extensively on my looping and sentinels here. As you can see I have my program working but it is not taking the series. I know I am missing something stupid but I just can't put my finger on it. I have my inupt validation working as … |
 | I want to design utorrent client for my semester project in java, can anyone tell me where should i start and what are the necessary steps for this, also if any useful website and information. Thank you.  |
| | The commonly used syntax: [CODE=Java] public class Foo { private int x; public Foo(int x) { this.x=x; } } [/CODE] Is actually "flawed." If you have an anonymous inner class inside the Foo constructor (i.e. if this were a GUI code and you were adding an ActionListener) then the private … |
| | I'm trying to populate the items of a foreach-element in a JSP page. [code]<c:forEach var="request" items="${manageSchedulesBean.userController.getRequestsBySchedule[schedule.scheduleId]}">[/code] Gives me: org.apache.jasper.el.JspPropertyNotFoundException: /secure/manageSchedules.jsp(40,36) '${manageSchedulesBean.userController.getRequestsBySchedule[schedule.scheduleId]}' Property 'getRequestsBySchedule' not found on type $Proxy8 the called function exists, and when i cann manageSchedulesBean or userController, there is no error. Someone got a clue? |
| | Hello Everyone I have just started studying about applications and usage of DBus and as I able to understand that it is possible to pass messages between two different applications(programs) written in different languages usnig DBus. But I am not able to implement it. So just for demo, I want …  |
| | hi everybody!!!!!!! can anyone tell me how do we test the data type of variables in java, like if a variable is a string, the system prints out that this variable is string or not. more especially how can we test this on primitive data type? waiting for your replies!!! |
| | Hey Guys, Should i use hidden textboxes or session variables to pass values between various jsp pages??  |
| | I wanT to connect database with jsp directly otherwise have connection with servlet anD how to make connection on sevlet WITH jsp |
| | Hi, I'd like to be able to put a JTable inside a ScrollPane, so that when the table is large, the horizontal and/or vertical scrollbars 'kick in', and when the JTable is small, I just get a small JTable. Also I want to limit the size of the scrollpane to … |
| | [b]Split from - [url]http://www.daniweb.com/forums/thread158197.html[/url] [/b] [QUOTE=mabros86;739291]well basically what i'm trying to do is build a program that takes a file and copies is to another new file identically!!![/QUOTE] hi.. uhm.. how did you do this? i mean how to copy a file from jFileChooser to another destination? is it possible … |
| | In java how to prompt the user to enter the phone number (xxx- xxx- xxxx) format in dialog box? and take the number and Display it in (xxx xxx xxxx) instead of dashes i want spaces. how do i do it? I try to enter the number but it wont … |
| | How in java we can add double menus, like file bar and search bar both are different in internet explorer? Thanks in advance. |
| | Thanks so much for bothering to look at this n.n; I've been kind of confused in this class, mainly because I have no idea what the teacher's saying; her English isn't that great, and she has no in-class coding exercises so we're learning entirely from her crappy powerpoints. I'd have … |
| | [code] public boolean isFull(){ //generally full if(parcelIsFull() || hcparcelIsFull() || noSharingParcel()) return true; } [/code] I want to know why i get this error missing return statement I have the value written as 'true' boolean as the returning value. |
 | Hi there I have a rookie question. I am trying to clean up a long list of if statements for a class in java, I know that in C# you can code #region-->#Endregion. Is there a simple way to do the same thing in Java? THANKS! Jameson' |
| | hi is it possible to limit the lenght of a JtextField? thanks |
| | im new to java ..im learning myself.. i want the source code for 12hr to24hr conversion of time.. ie if i give input 1pm then my program should gives this in 24hr version as 13hr..... i hope u pepole will help me.... Regards kavitha |
| | After the list, sum, average, max and min have been printed, ask the user to enter a value. [B]Then print the id of each salesperson who exceeded that amount, and the amount of their sales. Also print the total number of salespeople whose sales exceeded the value entered.[/B] The bold … |
| | [I][COLOR="Red"]This code enables the user to enter a number and finds the prime from 2 to the entered number..Please name it PrimeNumbers.java Hope it'll help u..[/COLOR][/I]:D |
| | A perfect number is one for which the sum of its divisors (excluding the number) is equal to the number itself. For examples 6 is perfect since the three divisors of 6 (excluding 6) are 1, 2, and 3 which add up to 6. The number 8 however has divisors …  |
| | [QUOTE]Your are supposed to create a class book comes with, id, name, author, price and other two informationn of it. Inside the class, you need to create constructor, and methods to manipulate it. [/QUOTE] thanks in advance.  |
 | I am making a project on j2ee but i am facing a little problem ie.[B][U]How can i play mp3 songs in jsp? [/U][/B]I ask this question to many person but no one was able to answer my question.Plz consult Discussion Community about this question. I am finding this question since …  |
 | I'm supposed to be inserting words from a text file into a BST and AVL tree. I've got the words to insert correctly, and it recognizes whenever the words are repeated. It just leaves the count at 2 instead of incrementing afterwards. Can't seem to figure out why it's not … |
| | Newbie trying really hard to understand what she is doing wrong. Your help would be appreciated. <?xml version = "1.0" encoding = "utf-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHMTL 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhmt1-strict.dtd"> <!-- Fig. 8.12: Product order.html --> <!-- Product script. --> <html xmlns = "http://www.w3.org/1999/xhtml"> <head> <title>Product Orders</title> <script type … |
| | Newbee needs help with program. If you would be so kind to tell me where I am going wrong. <?xml version = "1.0" encoding = "utf-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHMTL 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhmt1-strict.dtd"> <!-- Fig. 8.12: Product order.html --> <!-- Product script. --> <html xmlns = "http://www.w3.org/1999/xhtml"> <head> <title>Product … |
 | [B]Hello, I'm currently having some problems with the StringTokenizer from java util. I've declared a StringTokenizer like: [COLOR="Red"]StringTokenizer token = new StringTokenizer(line,"|"); [/COLOR] to token out a string read from a txt file such as: [COLOR="Blue"]Diablo|RPG|PG|PS2|20[/COLOR] and it works fine(detects all the "|" as delimeters) :) The problem now is, … |
| | This program creates 2 methods for convenience: menu() and binaryQ(). The menu method accepts several strings as its parameters. The first of the strings is the question to be displayed at the top of the menu. The following strings are the menu choices. For instance, if you call [icode]Confirmer.menu("What is … |
 | my program is compiled.but on run that i have message "Exception in thread "main" java.lang.NullPointer Exception" 1. class Rev 2. { 3. char a[]; 4. char i=3; 5. void str() 6. { 7. for(i='A';i<'D';i++) 8. { 9. a[i]='i'; 10. } 11. } 12. void show() 13. { 14. for(int i='A';i<'D';i++) … |
| | Hey, I dont know where to start with this problem so I have a super class(Transaction) that has a constructor and I have 2 sub classes (rental and return )they both have the same constructor as the super but they have a toString method that is almost the same but … |
| | i hava a code called home.java [CODE] import javax.swing.*; import javax.swing.JScrollPane; import javax.swing.JTextArea; import java.awt.*; import java.awt.event.*; import java.io.*; import java.util.Random; import java.util.*; import java.text.*; class home extends JFrame implements ActionListener, Runnable { JButton btndetect,btntest,btnstart,btnexit,btntransfer; ImageIcon ic,ic1,bc; JLabel lbltitle; JTextArea textArea ; JScrollPane scrollPane; JPanel panel; Thread t; public home() … |
| | I've searched the page but i can't find a way to mark my previous post as closed. This is slightly different so i was not sure if i should create a new post or add to my existing one. Not trying to break any rules intentionally. in this post i've … |
| | Hey guys, im pretty new to java as this is my first time ever taking such a course, and i have an assignment that i have to complete that im stuck on and i have no idea what to do next. Heres what i have so far, and i doubt … |
| | I have built a program that will select 5 random cards and display the output as text. I want to add an image to display. In my code i've declared each of the card images, but I'm not quite sure how to tie in the graphic to the output. if … |
| | I am having trouble creating the code to end the program if the user enters -99. I have everything else done. The int "testNum" is what holds the value for -99. Can someone point me in the right direction on how to make it where when the user enters -99 … |
| | Hi, I need help with this program here. I want to print an isosceles triangle. But, I keep ending up with this here where they are being spaced: --------* -------* * ------* * * -----* * * * ----* * * * * ---* * * * * * --* … |
| | Hi, i want to develop an instant messenger using a P2P architecture.. please help me out with the initial steps |
| | Hello, i have a question. How do you compare 2 words or integers? the idea is a program should prompt the user to enter 2 words in one sentence (so like "apple orange") then it reads the 2 words and compares them to see if they are the same or … |
 | // close an account with a given number public void closeAccount(int id) { } this is a bank project... a customer account is created(array). i would like to know how to delete an array? let say: account number 185649 is found in array[15]. then i would like to delete this … |
| | [url]http://www.jformdesigner.com/doc/help/layouts/gridbaglayout.html[/url] Please visit this website, there is a image of a dialogue box , can anyone help me please making them. I dont want full code just some hints . Thank You. |
| | hi could anyone suggest a good tutorial about spring security? regards  |
| | hi people does anyone know how to change the backcolor on a Jtextfield, when the component gets the focus? thanks |
| | I'm a beginner, and I was wondering how to write a java code for this: * *** ***** ******* ***** *** * I'm using DrJava. This is supposed to be in a diamond formation. Hopefully it posts that way. Thank you :) |
| | I have problem compile this. Line 23 having a problem ( possible loss precision, required int, found double). [CODE] public void actionPerformed( ActionEvent e ) { try { // call a function to get the value - if an error occurs, // display a message box and set focus to … |
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