32,199 Topics
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| | Hi All, I've a little problem with writing and saving to a file I'm close but I can't seem to grasp what i'm doing wrong here. Trying to save student object(s) to allstudents.txt This is my loadStudent method; [CODE]public student[] loadStudent() throws IOException, ClassNotFoundException //loads the accounts and returns them … |
| | Hi, I am supposed to develop a Voicemail System for my data stuctures class, so to record and playback messages, I was told that I would need to use the Java Sound API. However, after reading the little tutorial on Java, I am still a bit lost as to how …  |
| | Hi all, I'm doing a elevator simulation project but i met some issues. First, I wish to align my buttons on the left to the horizontal lines. I tried to setting setMinimumSize, setMaximumSize, setPreferredSize but it didn't help. Second, if I re-size the window, the buttons on the left seems … |
| | Hello i am needing advice about a project that i have got. Its about traffic light using wireless sensor simulation. I want to know about the different softwares that can be used to work on such application, i mean the simulation part. I tried google but apparently i dont really …  |
 | Hi! I am new in hibernate annotations so i am practising it on the console. In here i am using hibernate3.jar(came with Hibernate 3.5.1), hibernate-annotations-3.4.0.GA.jar etc. However when i run the main the application didn't start and following errors were generated. Any idea,please help.. !?? 0 [main] INFO org.hibernate.cfg.annotations.Version - … |
| | hi, am try to create a simple jar file... i got some error to run that jar file error =" Failed to load Main-Class manifest attribute from bala.jar" my code: [CODE]import javax.swing.JOptionPane; public class hello{ public static void main(String args[]){ String s= JOptionPane.showInputDialog("enter name plz...."); JOptionPane.showMessageDialog(null,"hello "+s); } }[/CODE] here … |
 | Hey there, I have taken earlier this tutorial on adobe's site for building an application for mobile devices. The tutorial provides a war file. After deploying the war file on my tomcat server, a few directories are built. Most importantly, WEB-INF folder. This folder contains some java files on one … |
| | Hi ! I've been trying to use hibernate with spring framework for a week by using hibernate annotations. I am using hibernate-distribution 3.6.5 final and Spring framework 3.0.5 in the application. Error log and code is here :[URL="http://www.daniweb.com/software-development/java/threads/378043"]http://www.daniweb.com/software-development/java/threads/378043[/URL] I wait for some suggestions. Please hlp ! |
| | Hi all, I'm about to start on my Java course next semester. Since I've only coded in C/C++ til now, I'm a bit stumped. I'll give you an assignment from last year, maybe some of you guys can show me how this program would look like in Java. Here goes: … |
| | i have a very long string like this: [ICODE]TGTGCAACGTATATTCCAACGAAAAACCTGGAGAAGAAAAGAATAAGTAAAATGAACTAGAGGCTGATGGCACAGTAAACACAAATGCCTGAAGTCAAAATACATTCTTTATAAGCCCAAAGCG[/ICODE] i want to convert it into array but i wanna split it by length of 5 array elements: [ICODE]array[0] = "TGTGC"; array[1] = "AACGT"; ..... array[n] = "AAGCG";[/ICODE] any idea? plz....... help thanks :) |
| | I'm trying to draw the rhombus into each grid section of the 3x3 square grid. Both the codes are pasted. I've tried various methods but could not succeed. Any insight on this matter is greatly appreciated. Thank you. [B][U]3x3 square grid[/U][/B] [CODE]import java.awt.*; import java.awt.event.*; import javax.swing.*; public class threebythree … |
| | I want to create a new variable with each run of this while loop the syntax of loop is [CODE]while(rs.next() && i<=num) { String str(i)=rs.getString(1); }[/CODE] I want that with each run the value of i should be appended with str so that with each run a new string variable …  |
| | Hi guys, I'm trying to create a "pool" of data that once added to is saved on a public domain. For example, data is stored at "url.com/data.txt". data.txt: [CODE]18473,948263,384292,47239,[/CODE] Client 1 connects to some url (which I need help with, thinking some PHP) with data as arguments. Adds: 39458,359835 Client …  |
| | I am interested in a currency converter made from JAVA. I'm a beginner in learning JAVA programming language. I am thinking well I want the code to go out and get the current value of the US dollar and the current value of the EURO. Next I want it to …  |
| | Hi Everyone, I am using the java applet to take screenshot of the web browser using the java's robot class. Robot objRobot = new Robot (); BufferedImage objBufferedImage = objRobot.createScreenCapture(objRectArea); The thing work good in windows system taking screenshot but in case of mac osx i get the blank image.When …  |
| | I have a jsp page where I am accessing data from the database and showing the data in table on the browser with radio buttons in between.And then there is a submit button on whose click the control is transferred to a servlet where I reading the status of the … |
| | Hi ! I've been trying to integrate hibernate with spring framework for a week by using hibernate annotations. I am using hibernate-distribution 3.6.5 final and Spring framework 3.0.5 in the application. Error log looks like as below which troubles me a lot. Any piece of idea will be appreciated, please … |
| | hi i have combobox and list i want to put both of them in one border help me please |
 | I've been working on compression and decompression between Java and C#, using deflate and inflate. Everything else I tried produced varying results which were never able to be compressed/decompressed flawlessly between Java and C#. I tested out using DeflateStream (C#) to compress data, and InflaterInputStream (Java) to decompress the data, … |
| | Hi all, I'm using Hibernate, HSQL and Spring. But i have the following ugly errors. I don't know what to do. Any help will be appreciated. [code=text]org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mySessionFactory' defined in ServletContext resource [/WEB-INF/dispatcher-servlet.xml]: Invocation of init method failed; nested exception is org.springframework.beans.BeanInstantiationException: Could not instantiate … |
| | Hello! I need to read from a txt file ip:port (or in some lines ip:portDdateCinteger). But i can not do it because there is no nextChar method on Scanner class. The txt file is like this: 332.234.32.11.11.222:8080 123.32.45.43.32.11:8976D12.01.2010C5 44.44.111.114.44.43:220 222.333.44.55.66.77:8089 111.11.11.11.22.33:8080D01.01.2009C1 ... There are million line on txt file. I … |
| | hi sir, i am developing project in java for enabling and disabling task manager and usb-port. i search this in so many website but still i did not get code of this. i want code for window xp that is update value in window registry so i can achieve the … |
| | How to add serial number like column in jtable at left side of jtable?  |
| | Hi, I'm trying to check the login. The values of id and pw are send from a textbox and the values of userid and password are from a mysql database. I try to compare them and if they are equal i want to return true and else return false. But … |
| | [CODE]public class TestMySource { public static void main(String args[]) throws java.io.IOException{ char ch; for (;;) { System.out.print("Please insert a char: "); ch = (char) System.in.read(); if (ch == '.') { break; } } } }[/CODE] output: Please insert a char: Please insert a char: Please insert a char: a Please … |
| | Hi,Someone please shade somelight about this- how arguments are to be passed from a run.bat file Thanks Best Regards Bethuel  |
| | I'm writing a program but I don't understand the question that well could someone help explain what I have to do. Also, I am having difficulty making the methods could someone help, because I am getting an error every time. This is the Question. Write a cash register class. It … |
| | Hello all! I am a completely new to programming in Java and I was recently given a tutorial in which I was supposed to create a 3x3 square grid. I am attaching a file as to give you a clear picture of what I must do. I have no idea … |
 | Hello everyone. I've been programming on a co-op RPG for quite some time now, but my networking side has seen some troubles. I'm using the lower level serverSocket-Socket way. Everything runs flawless within my own network, however connection over the internet is where the trouble is. I understand this is … |
 | Hai all, AM trying to connect java with database .I created class called data manager with several methods like setdburl(), getdnurl() ,etc.. i called the set functions inside another class and assign values. in set method i assigned LOCAL VARIABLE. when i call get url method it shows null value.. … |
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