36,051 Topics
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| | Hi guys, I am doing a Java project. For now it's just a program but this program is to be used through the semester. I have hard time thinking what class to work. We need to create a class of anything like cheese, cars, rectangle etc that we will be … |
| | hi all i have 2 systems connected in lan.i have to access the system 1 Database from system2 using mysql odbc connector.if i give localhost in the hostname then give username and password of system2 in the corressponding places now i can get the list of databases from system2 mysql … |
| | guys, need help... Im currently working on a project with jasper report. it seems that the pdf file (report) runs on a browser succesfully without a subreport in Glassfish server but when there is a subreport the error occurs. ive been working with this problem since last week and im … |
| | Hello; What would be the most efficient way to get all of the 2^24 network identifiers for the given A class IP address. I am aware it is a very stupid question, and a inpractical one for that matter but thank you for any input. Im trying to speed up … |
| | Hi All! I'm trying to call a method defined in a jsp that is in my webcontent web application. I placed [CODE] <%@include file="method.jsp"%>[/CODE] in the jsp from where I want to call the method. I get an exception saying: [CODE]org.apache.jasper.JasperException: Unable to compile class for JSP: An error occurred …  |
| | hello, I am in the process of working on a design project for my fourth year of uni and am running into some trouble. At the moment, we have a serial communication coming from an Arduino and displays in the console box of Eclipse. Each lines displays. However while this …  |
| | Hi I wanted to create a erdos-renyi random graphs with ErdosRenyiGenerator class in Jung. Please help me in fulfill the parameters of this class . Thanks. |
| | Hello! So I've been working on a 1D array that represents a school bus that can hold up to 10 children. The array needs to have names put into it in the first available 'seat'. I've constructed code to do so, but something seems to be wrong. The findFirstEmpty method … |
| | I have an idea in mind. I want to create a Terminal (Windows Command Prompt) based completely in Java, capable of creating, compiling, editing, etc for Java files. I would like this to also resemble the look of Terminal/Command Prompt. Being the black background, and the text start like below. …  |
| | Hi; This is a code that I got from the examples in Oracle in using the javax.print When i try to compile and run a get an error saying javax.print.PrintException: java.lang.IllegalArgumentException: URI is not hierarchical [CODE]package printtry; /* * Copyright 2001 Sun Microsystems, Inc. All Rights Reserved. * * This … |
| | [CODE]package test; import java.util.Scanner; public class Test { public static void main(String[] args){ Scanner kbReader = new Scanner(System.in); System.out.print("Choose mode (\"words\" or \"symbols\"): "); String mode = kbReader.nextLine(); if ("words".equals(mode)) { String oa = " plus "; String os = " minus "; String om = " times "; String … |
| | Can anyone help me put this code into seperate methods? [CODE] public static void Main(String[] args) { String num1String = JOptionPane.showInputDialog(null, "Please enter your first number"); String num2String = JOptionPane.showInputDialog(null,"Please enter your second number"); String num3String = JOptionPane.showInputDialog(null, "Please enter your third number"); Double num1 = Double.parseDouble(num1String); Double num2 = … |
| | Can anyone tell me why I keep getting a value of 0 returned? [CODE] public static void main(String[] args) { double getSum = 0; double getAverage = 0; String num1 = JOptionPane.showInputDialog(null, "Please enter your first number"); String num2 = JOptionPane.showInputDialog(null,"Please enter your second number"); String num3 = JOptionPane.showInputDialog(null, "Please … |
| | hello, I prepare an application uses the result of the command prompt (Runtime.getRuntime (). exec (cmd)) for a command already entered, and displays it in a Textarea, but I notice that if I use a modal box the problem persists, my problem is that this application is in frensh,if any … |
| | I want to make a simple game in java please help me to decide topic and selecting. |
| | Is it possible to optimalized Voice recognition using pronounciation and Voice Colour??  |
| | [CODE]import java.io.*; import java.util.*; import java.lang.*; class Files { public static void main(String args[]) { char ch; BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); FileOutputStream f=new FileOutputStream("yo.txt",true); while(ch=br.read()!='%') { f.write((int)ch); } f.close(); } }[/CODE] it shows an error at while(ch=br.read()!='%') saying incompatible type,though i tried typecasting.. please help |
| | which one of best in java struts1.3 struts2 Regards [URL="http://www.supportcorporate.com/staff-augmentation.php"]Staff Augmentation Services[/URL]  |
 | Hello Daniweb, I can't wrap my head around this minor issue. Maybe it's a known bug and I just can't find the right keywords to google it or maybe it's supposed to be like this. Let me know what you guys think. [CODE] public class TestPostfix { public static void … |
| | Ok so my university has assigned me the task of creating a brick breaker game for android phones (full spec below). What I would simply like to know is[B] which design pattern I should be using to structure my program?[/B] If I should be using more than one which should … |
| | Hello, The following is my requirement. The user writes a blog. It contains a heading, few keywords and the content. The user then submits the blog. Before getting stored, the content section of the blog must be scanned using [url]http://www.webconfs.com/keyword-density-checker.php[/url] There will be a **library containing the keywords related to … |
 | how to get mysql username and password using java of the MySQL install on system. |
| | Hi, I have an XML file looks like this <node> <node2><node3>1</node3></node2> <node2><node3>2</node3></node2> <node2><node3>3</node3></node2> </node> I am trying to read one child into a string I want my string to look like that : <node2><node3>1</node3></node2> [CODE] File xml = new File("json.txt"); SAXReader reader = new SAXReader(); Document doc = reader.read(xml); Element … |
| | Hi, I am struck in a big problem. I am creating a JAVA ME application which requires to consume web services created at my server using SOAPpy. I am using netbeens for creating JAVA mobile application. Netbeans has a web services import feature from where you can simply paste WSDL …  |
| | Hello, My question is if I have program programmed by matlab and I want program an interesting interface using another program language such as java ,can I do that? Please give me suggestions about programming wonderful interface using matlap or any other language can integrated with matlap because the original … |
| | Hi to everyone, what's my doubt is when u r closing the window it should as do u want save the changes you made the option are yes,no,cancel it should be done in jsp,java script. can anyone help to solve this problem plz if anyone know the solution mail me … |
| | Hello, I am creating simple an applet to draw a registration form based on the selected item within the awt choice object. I have include a radio button, choice list and button. My problem is when running the Applet...the choice list is blinking and when I maximized or minimise frame … |
| | I have a problem with sockets. I am using this code in java as the client: [CODE] class Javaclient { private static DataInputStream input; private static PrintStream output; public static void main(String argv[]) throws Exception { int PortNumber = 4321; String line; BufferedReader in; Socket MyClient = null; try { … |
| | Hi guys well what I'm trying to do is produce a query that only produces the results which will match my director input. I have looked for the correct syntax and cannot seem to find it. Any help would be appreciated Code of my syntax below: [CODE] ResultSet results = …  |
| | Hi everyone! I have written a server client that receives information, does a database transaction and then sends the result back to the client. My client has requested that they be able to view what was received and what was sent in real time. I have used a JTextArea. The … |
| | I am building a program to make a pyramid as such. 1 1 2 1 1 2 4 2 1 Etc. For 8 rows. [CODE]public class PrintingNumbers { public static void main (String [] args) { int k = 1; for (int i = 1; i <= 8; i++) { … |
| | My classes compile but for some reason, I always get false when I try to add a student to a course. could someone please help me? [CODE]public abstract class Student extends Person { protected Course[] courses; protected final int maxCourses = 4; protected int numCoursesEnrolled; protected double gpa; public Student(String … |
| | I'm wanting to convert this part of the pseudo-code... [quote] start string name string address num item num quantity num price num SIZE = 6 num VALID_ITEM [SIZE] = 106, 108, 307, 405, 457, 688 num VALID_ITEM_PRICE [SIZE] = 0.59, 0.99, 4.50, 15.99, 17.50, 39.00 num sub string foundIt = … |
| | Hey everyone, I am new to the site and to programming so please be gentle. I am working on a simple project where I use pre-created classes that define shapes and call the methods within them to create a picture on a canvas. I have most of this down, but … |
| | Ihave written the below pieces of code, but i am not able to solve the compilation error here as it shows the error as ArrayOutOfBoundsException error. so please tell me hw to remove the error and please bring the necessary changes. [CODE] import java.util.*; public class Cipher { private int … |
| | i am doing the coding of my minor project and for that i need to convert an input text(String) to an int type as i am inputting the data through swing component, panel as text(string). But internally i need to process that as int. so please tell me how can … |
| | hey, i cant set the size of a frame to a particular dimension.My code is :- [CODE]public class ImageShow extends JFrame{ ResultSet r; Image img; public ImageShow() throws SQLException { setTitle("Image retrieved"); JPanel panel = new JPanel(); //setSize(500, 500); setDefaultCloseOperation(HIDE_ON_CLOSE); Container pane = getContentPane(); panel.setLayout(new GridLayout(3,3)); r=ImageRetrieve.rs; while (r.next()) { … |
| | [CODE] public static void main(String[] ar) { ..... int N = Integer.parseInt(args[0]); ..... } [/CODE] Error is : Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 0 |
| | Hey everyone, I recently had the assignment to write a recursive program to calculate greatest common denominator. I barely understood recursion when our instructor explained it to us. I understood how it works and calling on itself I am just bad at implementing it. I think I almost got my … |
| | hi, I want to make an application in java to visualize on graphic the network (the name and addresses of local servers of the company ... for example) using the tracert command, if any one can enlighten me that idea, because Internet is a wide world. |
 | Even after setting all the paths correctly, I get an error saying the "setclasspath.sh" cannot be found. I checked the directory and it was there. I then changed the permissions using chmod +x setclasspath.sh but to no avail. I've changed the permissions of all the files inside the "bin" directory … |
| | can someone help me how how can catch CTRL C and print it out then stop the program? Thanks [CODE]/** * 218-102 Lab 7 * TestCircle.java * * @author JKang & JLeone * */ import java.util.*; import java.awt.event.*; import javax.swing.*; import java.awt.*; public class TestCircleB { public static void main(String … |
| | how to backup mysql database using java and store backup file into my current directory of source code.  |
| | Hi All, I have PDFs that are to be watermarked. I need to know whether there exists the below options 1 Option is : Whether we can rewrite the same file with the logo instead of taking the existing pdf and writing this pdf into watermarked file option2 : Whether … |
| | Hello, How can I do a login form in jsp using oc4j server. (oracle jdeveloper). Assume I have this page. [CODE] <HTML> <HEAD> <TITLE>Login into the Employee Records Center</TITLE> </HEAD> <BODY> <H1><CENTER>Login into the Employee Records Center</CENTER></H1> <FORM NAME="LoginForm" ACTION="index.jsp" METHOD="post" ENCODE="application/x-www-form-urlencoded"> <P>To login to the Employee Records Center, submit … |
| | can we use JAVA and php together ??? or struts and drupal together |
| | I want to create a regular expression that matches with the string "B. Hello" or "C. Hello" and so on.. I tried number of things and finally came up with this [CODE]String REGEX = "[A-Za-z]"+Pattern.quote(".")+" Hello";[/CODE] but still no luck.. I tries using '\s' for space but still not working. … |
| | Hi guys well I have a problem on my JFrame which is once I click on my List all Videos button it displays my data from my MS database which all works well. However as you can see from the png the query results are not aligned up correctly together … |
| | i have created program below ,but it does not run successfully why [CODE]import java.sql.*; public class Bank { public static void main(String[] args) throws Exception { Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); // TODO code application logic here try{ Connection cn=DriverManager.getConnection("jdbc:odbc:rushiDSN"); System.out.println("Connected Successfully"); Statement stmt=cn.createStatement(); stmt.executeUpdate("CREATE TABLE Author(AuID Number(3), AuName Char(15), AuAddr Char(30))"); System.out.println("Table created … |
| | Hello I'm writing a little program to check if a postal code is valid or not and I'm using while loop and if statement this is the code: [CODE]final String REGEX = "[A-Z&&[^DFIOQU]][0-9][A-Z&&[^DFIOQU]] [0-9][A-Z&&[^DFIOQU]][0-9]"; output.println ("Please Enter a Valid Postal Code: "); String postal1; String postal2; boolean isCorrect = false; … |
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