36,051 Topics
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| | I currently have a table in oracle which I have created, but need to take a text file (which I have used a fileChooser for) and then use this file to update the records in the oracle database. How would I go about this? Thanks.  |
| | Hey everyone im working on a class in java that does several things. it is supposed to take a sky condition either sunny snowy cloudy or rainy and a temp between -50 and 150 f. the default sky is sunny and temp is 70. it needs a method that converts …  |
| | Hi, I am new at java. I have made the search class of an address book program with the functions of add, modify and delete. Please have a look into the code. Please also explain the function of [code] e.printstacktrace();[/code] [code] import java.io.*; import java.util.*; class search { private String … |
| | I got most of the basics but i need help on getting all of the requirements right and EVERYTHING I NEED TO DO. Is there a way to replace certain chars without actually using str.replace();, especially punctuation? This is the assignment 1. You will create a class that will perform … |
| | Hi everybody I'm new to this forum, and I hope I get to know you all for as long as I'm gonna be coming here. I need help with my program. basically wat i need to do is to create a program in which it check the spelling of the … |
| | I have made this delete class of my address book program. It gives an error when I use the renameTo() function. Please look into my program. [code] import java.io.*; import java.util.*; class del { private String stru,strf; BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); public void calc()throws IOException { System.out.println("enter record to be …  |
| | I have this program all working, except in how the text looks in the file. The text is supposed to be all on different lines, but its all on the same. Here's the code: [code] import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.io.*; /* * class LogOrder * Allows user … |
| | hey guys... i need to integrate a fingerprint sacnner into a project wchich i am developing right now. but i do not know any java api which support hardware integration...so i m in a total mess... can anyone tell me a way to integrate the fingerprint scanner in my application. … |
| | Hi all, I am a new user of struts. I have a requirement where I need more than one ActionForm against a single DispatchAction, but I am not able to handle this situation. Is it possible to have more than one ActionForm against a single DispatchAction? Thanks in advance... |
| | hi guys, i'm trying to connect java application to SQL server 2005 developer edition, i used the following code which comes with the microsoft jdbc-odbc driver 1.2, after that i modify the class path to load sqljdbc_auth.dll file. import java.sql.*; import com.microsoft.sqlserver.jdbc.*; public class connectDS { public static void main(String[] … |
| | Hi. I've built a HttpServlet that catch a request and parse a web page using InputStream, InputStreamReader and PrintWriter changing some content along the way and output it as a response. Everything works like a charm (parsing html, css, gif, jpg, aso) except for png images. Since png's are binary … |
| | The following method "sound" works on my PC and it sounds a beep. I am using java 1.5 and Jdeveopler 10.1.3.4 on Windows XP/SP2. import javax.sound.sampled.*; public void handleBeep(ReturnEvent returnEvent) { try { sound(2000,150); } catch (LineUnavailableException lue) { System.out.println(lue); } } public static void sound(int hz,int msecs) throws LineUnavailableException … |
| | hello I have attended SCJP 5.0 and SCJP 6.0 Mock test at , it good one at [link removed] 10 sets of mock test i have attended... I want to attend more mock test before actual exam.. can anybody please tell me where can i attend ? thanks das  |
| | Hi,I am reading this .CSV file and new to this.I have information in tabular form where i have names in 1row and 1column and in between cells i have numbers indicating links of those names by that purticular number. I want to retrevie those names who are having that purticular … |
| | any suggestion.......... simple java coding to settle final project in  |
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| | Regards for All, I am new in JSP and giving a web solution, I am using XML document to store data. I have a script which retrieves stored data from XML which is in JSP. Now I want to append more data at any level in XML document and want … |
| | I have to write two programs, one writes to file based on what the user selects. The other reads the file, and outputs what the user selects. And I'm really not sue if I'm doing this right. Here is what I have for writting to the file: [code]import javax.swing.*; import … |
| | I have to make a program where I take a file that contains users order information(the file is from another program I had to make), and then tests it and outputs how many of what it orders. I cant seem to get it to work, its running but then at … |
| | Hey guys, I've found this article showing how to manipulate itunes using java and com objects. However I dont really understand how it works, and can't seem to tell java to send a play / pause request. The event listeners works. [url]http://www.workingwith.me.uk/articles/java/itunes-com-with-java-and-swing[/url] Could someone try and expand on this? Or … |
| | Hello, I am writing a program that will read in a pair of inputs, (P, S), summarizing the results of a code inspection. One input is the integer problem number, P, and the other is the severity level, S, of that problem. Since a typical code inspection will never have … |
| | Hello, First I'll like to say that this a fantastic site for newbies and I'm sure for seasoned programmers as well. I have gained a lot of insight by just reading the threads and for this I thank Daniweb. Thank you very much in advance for your expert help. My … |
| | Dear Members, I found a thread named 'Execute an sql script in jdbc' it was very much useful to me. However i have my routines(ie. stored procedures and functions) also with the backup.sql file. This is the link which i looked for: [url]http://www.daniweb.com/forums/thread153923.html[/url] But i have to execute my script … |
| | I have a GUI app which in which I need to pass a value from an array to a List... here is what I have... The problem occurs when I try to pass the array element to the ActionListener... im not sure exactly how to do it... [ICODE] import java.awt.*; … |
| | Can anyone help me please? i need to create a program in which you enter a distance and the program will tell you how long it will take to get there in hours minutes and seconds. My trouble is that they all display independently and not seperately ... for example …  |
| | Hi, I am new to java and would really appreciate it if someone could look at the code I have attached. This is part of a java lab assignment that I have got to do for university. For reference, I have also uploaded the lab file. I am trying to …  |
| | Is there an API I can use to program a flow diagram? My need to develop a table flow diagram from database data collected in a excel spread sheet. I need to parse the table joins and generate a flow diagram. The program is an attempt to keep our diagrams … |
| | In the JFrame I have two components JMenuBar and JPanel. A selection in one of the options in menu bar change the content of panel as [code=Java]JMenuItem jmiAddEmployee = new JMenuItem("Add Employee"); jmiAddEmployee.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent ae) { mainPanel.removeAll(); mainPanel.add(addEP); validate(); } });[/code] This will replace the content, … |
| | Can some someone help me with a code to create a new Excel workbook and send data to the workbook using[B] java[/B].Please help me. |
| | I want to know how to call the above function ??? [code] import java.awt.*; import java.applet.Applet; import java.awt.event.*; public class GridDrawingApplet extends Applet { public void paint (Graphics g) { // Draw the vertical lines: g.drawLine (0,0, 0,240); } } public static void main(String []args) { // now i want … |
| | This is my function. see below: public void SoundTest() { try { AudioInputStream audioInputStream; File file = new File("C:\\Temp\\online.wav"); audioInputStream = AudioSystem.getAudioInputStream(file); Clip line; line = (Clip) AudioSystem.getLine(new DataLine.Info(Clip.class, audioInputStream.getFormat())); line.open(audioInputStream); line.start(); line.drain(); audioInputStream.close(); } catch (Exception e) {e.printStackTrace();} Toolkit.getDefaultToolkit().beep(); } I got this error when I ran it: ` … |
| | I was messing around trying to figure this out and came up with this. This works but I'm looking for a more elegant recursive solution. Can anyone think of one? I couldn't find anything with google. Oh and sorry for the stupid variable names. [code=java] public class arraybackwards { public … |
| | can any one tell me that how to get the names of all the computers connected in a workgroup using java. how to get the ip address of the computers connected in a LAN |
| | i am an absolute beginner in java . i want to generate a javadoc , i am using JCreator, so can your'll give me step by step instructions on how to create it... i googled but couldn't find a better one... and dont forget that i am an absolute beginner … |
| | Hi i want to implement one servlet where first i want add a user to the database and later when he logged again i need to check that whether he is already existed or not?if he is not existed i need to add those details to the database... can any … |
| | hi all I am new to java,i want to create exe file for my jarfiles.I want the same for web based and stand alone application .can any body please explain the above |
| | Hello, I am cooking up an application that when I first thought of figured would not be difficult. Basically, what I am thinking of is an application that will track the growth of several of my mothers orchids (I know it is kinda of weird, but this is something that … |
| | i wud like to knw if any1 has implemented sliding window protocol in java (UDP). |
| | Hey there, this is my first post here and I'm in the need of some real help. I've written a basic password verifier, which checks to see if what you type in is the same as the default stored password, but i continually get a compile error. [CODE]import java.util.Scanner; public … |
| | ASSIGNMENT: In section 6.1 of the text, the authors explain how to compute the distance between two colors. They write, The Pixel class has an object method colorDistance(Color color) which returns the distance between the color in the current Pixel object and the passed color. Write a method which takes … |
| | hi guys, is it possible to distribute a mysql database and java application together without need the server to run the database from, is there's a way around to make this happen?? Thanks in advance |
| | How to design a print reciept from jsp file. or generated a pdf file any idea to start ? |
| | hello forum members. i want to find the code behind the builtin length() method of the strings. actually i want to find the length of the string wihtout using the builtin length method of the string in java. thx, |
| | Hai, I a have JSP page containing a registration form.The registration form contains a text box and a drop down list box with 1-7 option values. I have entered data into the text box and selected the option value in the drop down list box . After the clicking on … |
| | hey guys!!! okay!!! i have a problems that this program is to build to choose a file and the copy it exactly to a new file of my choice but the only is that everytime i do that it happens to make a mistake it copies the file into the … |
| | I have a lab to do a simple chat program that has to 1. identify users 2. list online users (means to determine who's logged out and who has closed the page but hasn't logged out) i'm identifying users by session. I'm having problem with determining a user who hasn't … |
| | I am new at and using Struts. I'm not sure how to do the following: I am loading an Arraylist of TitleNames. Each TitleName is related to a List of pictures (MyList). MyList is a class that I created that contains all the fields needed to describe the picture. In … |
| | I'm working on a problem where I need to use a one-dimensional array to write an application that inputs five numbers, each between 10 and 100, inclusive. As each number is read, it displays it only if it is not a duplicate of a number already read. The program should … |
| | I wrote this program that reads data from a txt file named books,and then arranges the data by name and price. that part works fine ,my problem is that I want to sum up the total price of the books and display it. I've tried a couple of ways to … |
| | please help me in concept of smtp and pop3 because new to this concept |
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