36,051 Topics
 | |
| | Create a program with this problem using the “Observer pattern”, STRICTLY When a Message is sent to a Mailing List, the Mailing List sends a copy of the Message to every Inbox that has subscribed to the List. When an Inbox receives a message, it displays this notification: New Message … |
| | I am trying to connect to SQL SERVER 2008 using a JDBC connection. I have read some older posts on this topic(SQL server 2000, SQL server 2005) and I feel there may be some minor variations and so am posting on this forum. I am running win XP with SP … |
| | I have been trying to connect Database in Java for a quit time now. Following is the code. I have worked with .mdb extension, but this time I am using .accdb extension. Database File. [icode] import java.sql.*; class DB{ static Connection con; static Statement sta; static void getDBConnection(String path) { … |
| | hello evry1 my name is saurav and i'm doing my 3rd yr computer engg in diploma and as evry1 knw dat we hav to make a project in the last yr. so can u plzz suggest me some topics in java and .net bcas i'm a diploma student. plzz suggest … |
| | Hello there is an easy way to install eclipse plugins on eclipse IDE that explained at below link but i can't use it in linux ubuntu!! this way work properly under windows and mac osx please help me to use this way in my ubuntu lucid lynx linux [url]http://www.venukb.com/2006/08/20/install-eclipse-plugins-the-easy-way[/url] In … |
 | hi all, i need help from you. i want to upload multiple files to the server. pls tell me how to do this. if anybody has the code pls paste and send without fail. advance thanks hidash |
| | hi, i have checked that the modem i am using is a voice modem. the problem i am facing is while making or receiving call using modem,the sound from the other side i.e the telephone line is clear in the modem ports for headphone ,but the sound from modem to … |
| | Hi!, when im trying to execute following code.i get this error.can any one help me to make it correct. java.sql.SQLException: [Microsoft][ODBC Microsoft Access Driver] Data type mismatch in criteria expression. at sun.jdbc.odbc.JdbcOdbc.createSQLException(Unknown Source) at sun.jdbc.odbc.JdbcOdbc.standardError(Unknown Source) at sun.jdbc.odbc.JdbcOdbc.SQLExecDirect(Unknown Source) at sun.jdbc.odbc.JdbcOdbcStatement.execute(Unknown Source) at sun.jdbc.odbc.JdbcOdbcStatement.executeQuery(Unknown Source) at SelectApp.main(SelectApp.java:18) this is my … |
| | I would like to know how to write code for a right circular shift aka lazy susan. Its an array with 10 elements let me show you and example first time throw array it prints 1,2,3,4,5,6,7,8,9,10 second time throw after right circular shift of 3 places for example it prints … |
| | how to retaining the value of combo box after page got refreshed Please give me any idea Need help thanks in advance |
| | [CODE]import java.util.Scanner; public class FutureInvestment { public static void main(String[] args) { // Display name System.out.println("Programmed by "); Scanner input = new Scanner(System.in); // Prompt user to input investment amount System.out.print("Enter an investment amount: "); double investment = input.nextInt(); // Prompt user to input interest amount System.out.print("Enter an interest rate: … |
| | [code] String host = host_adress SshClient ssh = new SshClient(); ssh.connect(host,10022); System.out.println("ssh is connected--->"+ssh.isConnected()); PasswordAuthenticationClient passwordAuthenticationClient = new PasswordAuthenticationClient(); passwordAuthenticationClient.setPassword(password); passwordAuthenticationClient.setUsername(username); int result = ssh.authenticate(passwordAuthenticationClient); if(result != AuthenticationProtocolState.COMPLETE){ throw new Exception("Login to host failed"); } ssh.disconnect(); [/code] Above i just want to connect to an FTP server. We gave them … |
| | Hi all... i need to do some study regarding how to count the multiple int that keep in by user like this :- "Please enter the integer : 1 3 5 66 88 (1+3=4+5=9+66=75+88=163 - the program will terminted cause exceed than 100) how to do ?...i stuck very long …  |
| | Hi I was using the tutorial in the website [URL="http://jellebeuselinck.wordpress.com/2009/03/05/setting-up-smartgwt/"]http://jellebeuselinck.wordpress.com/2009/03/05/setting-up-smartgwt/[/URL] but when I run the application, the html page comes out blank. I am using GWT 2.0.3 and smartgwt 2.1 . Could it be a compatibility issue? Thank you |
| | Hi, I have created a Hello servlet , compiled it and deployed the Hello.class in the folder C:\Program Files\Apache Software Foundation\Tomcat 6.0\webapps\test\WEB-INF\classes manually. In the C:\Program Files\Apache Software Foundation\Tomcat 6.0\webapps\test\WEB-INF folder i have created a web.xml like: [code=xml]<web-app xmlns="http://java.sun.com/xml/ns/j2ee" version="2.4" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http:/java.sun.com/dtd/web-app_2_3.dtd"> <servlet> <servlet-name>Hello</servlet-name> <servlet-class>test.Hello</servlet-class> </servlet> <servlet-mapping> <servlet-name>Hello</servlet-name> <url-pattern>/Hello</url-pattern> </servlet-mapping> …  |
| | Hi, I need ur help regarding to do this program in java....i need to do program where user can input any number n this program will count until reach 100...if reach then the program will print out :---bla bla bla.....if not user can keep input the integer..how to to?...i'm dizzy … |
| | Hi! I'm a IT student. I need to have an simple java application of an online reservation system developed by using JSP, Servlets,Beans,JDBC, and Session Handling etc. I just need the java source codes. Please can anyone help me |
| | |
| | Hello everybody, I am c# developer but I have c# application and want to change it with Java because sometimes I have problem. I have 7 modems and my clients send package to my application and I want to listen it with thread ans produce an answer to them. I … |
| | Hi! I need [B]create a class[/B] to represent a "rock". When a rock object is created it should have print out a message to the console saying: "Rock 1 created". I should have a field that contains the rock's [B]weight[/B], methods to [I]set[/I] and [I]get[/I] the weight and method to … |
| | Hey ! :) Below is my code for a about page ! i need to load a image instead of suing drawString to draw the image ! :icon_redface: what i need to do is to load a jpg and center it to screen ! can any1 help me to modify … |
 | Hi gurus's :cool: I have got an actionListner in my code. The problem is that when I try to set my JLabel as true it does not work and does not show up in the GUI ? :@ [CODE]Button.addActionListener( new ActionListner(){ public void actionPerformed(ActionEvent e){ label.setVisible(true); myFunction() //here's some timeconsuming … |
| | I am doing a project using Java swing in Netbeans and I am using their in-built GUI generator thing. I have created a socket in one frame and i need to use the same object in another frame. these frames are present in the same package but are different classes. …  |
| | I have to convert 2D into 2 of Diamonds. I can not use if statements. If the person enters 10C then it prints out 10 of clubs. I've contemplated trying taking the string length, taking the position end of the string and using the D,C,S,H in the switch statements But … |
| | Hi Does anybody out there know of some open source projects that uses Java and would be happy to accept another developer? I am busy with a skills upgrade effort (not to mention that I am looking to build my Java knowledge). Right now I am learning design patterns and … |
| | I am a beginner to advance java and since am learning servlet am getting some weird error in my servlet. I am trying to get the method name and this is the code which i wrote down [CODE] import javax.servlet.*; import javax.servlet.http.*; import java.io.*; import java.util.*; public class NewServlet extends … |
| | i'm anju soosan i need a topic for doing miniproject in java(web application) |
| | |
| | hi am trying to code a program that uses a panel that has a functional calculator in it, and the calculator can be re-sized using a slider. here is my code please help me out import javax.swing.*; import javax.swing.event.*; import java.awt.*; import java.awt.event.*; public class CalcInSlider extends JPanel{ JSlider slider; … |
| | am trying to make a menu with a frame en its not working. and how can i introduce multiple panels in the same frame? here is my code. import java.awt.*; import javax.awt.event.*; import javax.swing.*; public class FrameMenu extends Jframe{ private final Color colorValues[]={Color.YELLOW,Color.RED,Color.BLUE,Color.GREEN}; private final Color colorValues2[]={Color.GRAY,Color.CYAN,Color.MAGENTA,Color.WHITE}; private RadioButtonMenuItem colorItems[];//color … |
| | Please help in doing a very small project (mini project) in Java/SQL. Your quick response is highly appreciated. Thanks Muhammed Asif |
| | So basically I have this file that my program needs to open called "outfile.txt" and "fort.20.txt". In windows, I have the file located at the root of the C:\\ drive, and the program compiles perfectly. My program goes to the directory like this: [CODE] File textfile1 = new File("C:\\outfile.txt"); File … |
| | digester is an open source apache framework to converstion XML -> java JDO. is it possible to use it vice versa. i mean can i use digester to convert java object into xml with the same configuration file. Thanks in advance |
| | Hello, i am using the digester to parse my xml into objects. I am getting the following error. could anyone pleaee help me to solve the problem . java.lang.IllegalArgumentException: No bean specified at org.apache.commons.beanutils.PropertyUtilsBean.getPropertyDescriptor(PropertyUtilsBean.java:874) at org.apache.commons.beanutils.PropertyUtils.getPropertyDescriptor(PropertyUtils.java:460) at org.apache.commons.digester.BeanPropertySetterRule.end(BeanPropertySetterRule.java:189) at org.apache.commons.digester.Digester.endElement(Digester.java:1332) at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanEndElement(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source) at … |
 | hi i hv one public class admins in one java file and i hv another public class login in another java file both files are in same folder login. i want to use admins class in login class. How can i do it,,? >> extending cannot be possible because both … |
| | am trying to make a menu with a frame en its not working. and how can i introduce multiple panels in the same frame? here is my code. [CODE]import java.awt.*; import javax.awt.event.*; import javax.swing.*; public class FrameMenu extends Jframe{ private final Color colorValues[]={Color.YELLOW,Color.RED,Color.BLUE,Color.GREEN}; private final Color colorValues2[]={Color.GRAY,Color.CYAN,Color.MAGENTA,Color.WHITE}; private RadioButtonMenuItem colorItems[];//color … |
| | hi, i am trying to use modem to dial phone,i am able to do it but after some time i get tones like dtmf tones on the receiver phone,i am using javax.comm package for serial communication,i think some additional AT commands other than "ATA " is to be used but … |
| | I'm already build this program but get error...anyone can check for me?..tq [CODE] public class Clock { private int hour; private int minute; private int second; public Clock (int hour, int minute, int second) { this.hour = hour; this.minute = minute; this.second = second; } public Clock (Int hour, int … |
| | hi,i m getting the following excption,though i hv properly set the classpath ,,, i m able to rum other programs,,,, plz help,,, [CODE] Exception in thread "main" java.lang.NoClassDefFoundError: admins (wrong name: a dmins/admins) at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClassCond(ClassLoader.java:632) at java.lang.ClassLoader.defineClass(ClassLoader.java:616) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:14 1) at java.net.URLClassLoader.defineClass(URLClassLoader.java:283) at java.net.URLClassLoader.access$000(URLClassLoader.java:58) at java.net.URLClassLoader$1.run(URLClassLoader.java:197) at … |
| | [CODE]How to use dos command in java program , i want to build new java explorer for my existing window because the look and feel of java is tremendous...[/CODE] |
 | Would Java be able to .rename() a file while it is still being written, or will it detect that the file is in use? Also, is it possible to open a file for exclusive access in Java, and will this fail if the file is still being written? Thanks. |
| | I have two ArrayLists that each contain a list of unique String objects.I am trying to count the number of words that are common between both lists, [B]E.G [/B] have one list that contains the words,("house", "cat", "broom", "car", "chair"), and 2nd list have ,("house", "cat") i want the output … |
| | hello can you help me how i can catch the exception... I want to input integer for my array and i want to catch the exception if i will input a string this will display Invalid input how can i use this in try catch because i am confuse please … |
| | So basically, I have this GUI program. I can run it, and it displays a graph of some data. The thing is, I want to put this program inside of JFramebuilder, and make changes to it. I dont know if it is even possible, but I figured if I opened … |
| | I am working my way through an online book--Intro to Java Programming by David Eck--and in it he says that it is generally considered bad style to use the getGraphics() method to draw outside of a component's paintComponent method. Does anyone know why this is? |
| | Hi, I had to wipe a computer and reinstall the operating system and eclipse. i had backed up two of my projects in my working folder for eclipse. i copied those project folder into my new working eclipse folder, but i can't seem to open them. Open project is grayed … |
| | Hi All, I was trying to implement highlighter in my search engine. I was able to implement the highlighter but the problem is it does not always work. Sometimes it highlight and sometimes it doesnt though lucene returns the file where the term was found. I can manually see the … |
| | Hi, I wonder how can access to a static method of a class called width from another object that has an attribute called width too: ex: [CODE] public class width{ private int test; public static int testValue(){ return this.test; } } public class Rect{ private int width; private int height; … |
| | Hi, I am looking for an infrastructure like JCE in java so I can “install” encryption providers. The one I am going to put in now is Bouncy Castle provider and use “PBEWITHMD5AND256BITAES-CBC-OPENSSL” but I want to be able to change the providers and algorithms just by configuration change. I … |
| | Hello, Say I have an abstract class Connection to represent some kind of connection that can be executed and then return some kind of result. My problem is that the result returned by each connection varies (String, byte[], some other class, etc...). This results in additional logic that seems like … |
The End.