36,051 Topics
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 | I have created an ASP.NET application in vb.net Use a Ubuntu 13.10 Server with Apache Tomcat No i want deploy (install) this application on this server. Is this possible? If so, how? What are the consequences? Thanks, Andre  |
| | I've been trying to do this for the past two hours I have object of type PersonTest I managed to save the data ,but I'm not sure if it correct or not becouse I still can't read the file. I want to read and write using java Object Stream this …  |
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| | I'm trying to creat simple seating for movie I have the seats as buttons when the user click btnOne then the background change to red if the user click the button again it will chnage to gray I've managed to change the color to red when it clicked using actionpreformed … |
 | Hello Anyone can help me derive a validation for French phone numbers, given the following: String (max 255 chars) French telephone formats (0123456789, +33123456789, 0033123456789) T.I.A. |
| | Hi, I've done with my project and the instructor said that the file should be excutable file how can I run my project wothput netbean .. I'm using macbook |
| | I am trying to add an item to a game that will "float" a player into the correct room. The code below is where the boat is added to a room and the the boolean newBoat is set to true: Item boat = new Item(" A boat to help you … |
| | Hi, I need to make a program that can count and solve basic math problems (addition, subtraction) with natural integers using strings. I'm not aloved to use parseInt so thats basicly where my world started to fall apart... Would realy appreciate if someone could help me with this. The code … |
| | I'm not sure whether my title is clear enough, a bit hard for me to explain. Basically, I have this card abstract class. I also have a CreditCard subclass. In my CardSystem, I have different methods. One of them is chargeCard. What it does is simple putting some cash on … |
| | hi friends, I'm developing a desktop application in java. But i want to make this application in such a way so that this install on other PCs. But I don't know the procedure. Please help me with yours valuable experience. Thank You in advance.  |
| | Hi Guys, Which language would be best for building utility applications for windows?(Tune-Up,Advanced System Care,CCleaner etc.) I'm inspired by the visual display of those programs.I'm currently learning VB.NET and I've beginners knowledge in C++ but I find it too difficult. Note : I'm a professional web designer.  |
 | Dear all, I am trying to write a code that would take in an array of numbers(salaries) and then calculating the mean and standard deviance. The number of salaries is first asked from the user, therefore the number of elements in the array is not predefined. I have written the … |
 | Hello dear codegurus! I've been working on a pet project of mine for 3 weeks now, and I think it is ready to be released into the open! However, just for cosmetic purposes, I would **LOVE** to add an icon (both for the application and in the upper left corner … |
| | i have a simple note and images storing java program that stores data into the server..i'm confused about what to use for building the server..should the server be built using sockets?? or which listens for http requests (the client sends json data)?? could anyone please tell me which one would … |
| | i need help..to anyone who expert in servlet & Jsp.. my problem is..i do not know how to upload image via html/jsp.. >before that i already ask mr.google but.. i got sux answer. so, this code work's and upload succesfully but it must manually put the destination file type string …  |
 | hi... i am trying to deploy my ejb file which i learned from youtube videos... so i go an Execption while running my clientEjb code.. it is as follows while running my client "HWorldClient"... E:\ejbDemo>java HWorldClient Exception in thread "main" java.lang.NoClassDefFoundError: HWorldClient (wrong name: part1/HWorldClient) at java.lang.ClassLoader.defineClass0(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:502) … |
 | How to give user the ability to set the decimal format rounding to whichever s/he prefers. I know that the users input can be gained by the code double decimalRoundTo; Scanner input = new Scanner(System.in); out.print(" Enter the number of decimal places you want to round to "); decimalRoundTo = … |
| | Hi Team, I have written a Sample Code in which I cast SubClass reference to point to SuperClass Object. It behaves like a SuperClass reference ( I mean when i try to use Methods which are not in SuperClass,it throws error so it means it is an instance of superclass) … |
| | Hy I would like to know what python gui framework, I can use that will be compatible cross platform and will help me create my snippet saver, that will be relational database, with categories for each language. I thought I can use kivy to create my graphical interface than use … |
 | Ok so I'm writing a program that outputs text to a file. Currently, I am writing it to a .TXT file for ease and convenience. Ideally, I would like to output some of the information so that it is formatted with Italics. I'm thinking that using a RTF file would … |
| | I'm trying to code an array that will make user print in 125 digits and then add the sum of it, this works but im trying to make the message like: Please enter digit : 1 please enter digit : 2 Please enter digit : 3 ... Do i have … |
| | i want to develop a simple download manager..i have seen download managers downloading a file..but they have multiple download points e.g. suppose i have a file like this on a web server ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| download points : 1 2 3 4 5 they are downloading from all the points 1,2,3,4,5 simultaneously..i'm … |
 | package hw3.categories; import java.util.ArrayList; import hw3.DiceGroup; import hw3.api.IScoreCategory; /** * Scoring category for a yahtzee. A DiceGroup * with N dice satisfies this category only if all N * values are the same. For a dice group that satisfies * this category, the score is a fixed value specified in … |
 | Hey everyone, I really need help in solving a problem that I have to use recursion for. I have a list of paper objects. Each paper object has its own author(s) objects. Each author object knows which paper(s) objects they belong to. I have to build a scholarly neighborhood for … |
 | We need it tomorrow, the code for the assignment #3 and #4 question. There was no continuation. Date Class Project (part #3) Add the following data items to your Date class 05 points 1. int dayOfYear 2. String monthName 3. String dayOfWeek Add the following methods to your Date class … |
 | Please take a look in my code as below: Vector<Vector<String>> AllSubjects = new Vector<>() ; // PROBLEM IS HERE if ((AllSubjects = EMSSubjectDAO.SelectAllSubjectsByCourse(this.ActiveCourse.getCourseID())) != null) { SubjectTableModel = new DefaultTableModel(AllSubjects, SubjectTableHeader); SubjectTable.setModel(SubjectTableModel); //this.SubjectTable = new JTable(AllSubjects, SubjectTableHeader) ; } On the `// PROBLEM IS HERE` line, if I init `Vector<Vector<String>> … |
| | Hello, I am doing the infamous Parking Ticket Simulator for my Java class at college. I have already completed the program and it producing the correct output. The only issue however, is that I am NOT using the PoliceOfficer class to issue the ticket. In other words, he is not … |
| | Nice to meet you, i am a newbie i would like to ask a question that bothers me out : 1).How to add the decimal representation of N! (5 <= N <= 1,000,000) is simply the multiplicity of the prime factor 5 in N! to my script? 2). I wanted … |
| | i am new in java. i have to made a GUI based application which is used to collect data from user such as product id, product name, category, price etc.. store in MS Access database connect with this application. please any one help me. i want to discuss some points. |
| | i have recently created a database with three tables and the fourth one is a junction table that links all these tables. i want to know how to retrieve data represented by the foreign keys in the junction table using jsp(if it is possible, if it is not, how do … |
| | hi i'm a first year student of bachelor networking but i don't have basic in java..i need to use 2D array to key in input subject code,credit,marks,grade,points and CALCULATE total credit,total point,GPA and CGPA...i have no idea what to do..if using method i can probably do it but 2D array … |
| | I have a java program where users can enter data into the textfields and click a simulate button to show the results in a jtable based on distribution calculations. I'm having trouble with distributions (normal,exponential, uniform, and weibel) in java and i need help getting the entered data to add … |
| | http://www.apache.org/licenses/LICENSE-2.0.html This licence is referred to along with several paragraph of comments in a Java API based project I'm using for research. I'm having difficulty understanding some of the law-speak in the license. Especially this part: > You must retain, in the Source form of any Derivative Works that You … |
| | guys i wanna known that can we do chip programming in java.  |
| | I have the folowing code, but there is a compiling error of: MathProblemRevised.java:25: error: cannot find symbol if (inputCharacter.equals("Y")) { ^ symbol: variable inputCharacter location: class MathProblemRevised 1 error With the code: import static java.lang.System.*; import java.util.Scanner; class MathProblemRevised { public static void main(String args[]) { Scanner keybardInput = new … |
| | Hi guys, Im currently working on a java project but ive come across a small minor problem. I have 4 main classes that im working with. TextReader, WordCount, WordCollecter and DisplayWords. The **TextReader** class reads an input file and a method called *readNextWord* will return the next word from the … |
| | how to store JTree data hierarchically in mysql database from netbeans. I am new to this topics so I need a program and tables you are using in database . for ex: Items |-shoes |-shirts |-half shirt |-sarees when i click on add button it should add nodes to parent … |
| | would you just do @Override public boolean contains(T param){ return hashTable[function(param)]!=null; } |
| | Hello all, I'm wondering if it's possble to set up a coloring scheme in Eclipse or Netbeans (or I'm open to suggestions for other IDEs. I'm aware of some options in Eclipse to change the color of the text for methods, classes, etc. but this isn't quite what I'm looking … |
| | I know I am probably over thinking this but I cannot seem to figure this out. I am trying to check if the value is null and if not to continue. /** * */ public Item getItem(String theItem) { Iterator iter = myItems.iterator(); while(iter.hasNext()) { Item anItem = (Item) iter.next(); …  |
 | Hi everyone, I've been taking a Intro to Java class this year and been enjoying it, I recently had a assignment which was a simple dice game, however I was wondering if a few tweeks could be made. 1. Could we ask the user how many dice they want to … |
 | okay ive been trying to do this for some time i want my program to randomly select 3 strings from my text file and display them randomly so each time i press 9 on my menu it will display 3 different ones each time and i've already made the array … |
| | For some reason this is only returning the description of a single item in the HashSet even when there are several items. I am not sure if the (Item)iter.next() is only getting the description of the first item in the list and that is why. /** * */ public String … |
| | I am having trouble adding an item that will increase a player's energy in my BlueJ game. At the bottom of the createRooms() method in my game class I have added several items to rooms. At that point I tried setting boolean newEnergy equal to true. If the player types … |
| | I'm not able to see content on JFrame ,when JFrame shows up. import java.awt.*; import javax.swing.*; import java.awt.event.*; public class GraphicUse extends JPanel { public void PaintComponent(Graphics gr) { super.paintComponents(gr); this.setBackground(Color.BLUE); gr.setColor(Color.WHITE); gr.fillRect(50, 50, 100, 100); gr.setColor(new Color(139,38,190)); gr.fillRect(50, 70, 100, 100); gr.setColor(Color.RED); gr.drawString("This is a new String", 50, 90); … |
 | Hi Dw I'm glad to find one active VB forum for the old VB I used to get the solutions in .NET and I'm also a .NET developer but had got a problem the computer that I'm creating this application for is using old Windows OS such as XP and … |
| | I have problem that when i click JComboBox i will display all ProductName in JComboBox but when i click it again the items becomes dusplicate means again select statement called i only want that if i click once it will update the JComboBox not as many times i click it … |
| | Hi Dw I've created the system which will be allowing the user to perform the withdrawal transaction from a self service device so far I've created the side which will be inter reacting with the user which is prompting a user to insert the identification and key in the pin … |
| | a) how do i add a loan for given member and book id? b) remove a loan for a given member and book id numbers c) list all loans and giving book and member details its for assignment need help thanks. |
| | I am creating a game project in BlueJ but the "drop" and "items" commands do not work. When I call either one of them in the game I get a "nullpointerexception" error message. This is the drop method in the game class, which compiles but does not work: /** * … |
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