36,051 Topics
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| | I'm working on a program that first launches a frame with various text fields. After they are filled in, the information is submitted by simply clicking the submit button. I have the frame down, the text fields and the buttons, and I have the class where all my data and … |
| | Okay. I'm in need of desperate help and really hope someone can help me type out the entire code for a simple basic java project. 1)adherence to java naming conventions 2)At least one static method other than main 3)providing int, double and string inputs 4)proper selection construct (switch-case or if-else) … |
| | Hi All: I am using windows 2000 server with Eclipse. In the dost prompt, I ran the file run_sqlldrTest2.cmd and it loaded record into the Oracle database. I tried to do the same thing in java calling the run_sqlldrTest2.cmd. In java it states the "The command line job - -executed … |
| | hi i have one problem in my project what i m doing is populating the select box from data base. When user presses F3 button in select box, a pop up window will open which will allow the user to enter new value ,which will first go to database and … |
| | Hi, I want to create a typewrite/typing java app. I want to change the color of a text to be different, whenever the user types the wrong character in a JTextArea. For example, if the user was supposed to type "My Book" and s/he types "My Bok", I want the … |
| | hi all how can i draw rectangle for each graphic. on the picture, each rectangle is create as graphic. pls help.  |
| | hi, lets get to the point. Im developing an application in which a route is drawn in a map (MapGuide), in order to do this you have to select two points, one for the origin and the other one for the destiny. I have a window divided into 3 frames. …  |
| | I have to create a GUI like Netica that can create decision networks (influence diagrams) I want to click on a rectangle icon and be able to drop it on the editor and make the rectangle bigger. How do I do that? I know it is drag and drop but … |
| | So I have a JComboBox, which contains recipe names. I want, when the recipe name is changed, for the label that is an icon of the rating (1 to 5) stars, based on my recipe object, to change as well. My code seems like it should work perfect but it … |
| | Ok so im basically new to computer vision, but i would love to expand my knowledge in java and do some computer vision stuff. So what would be the best library to use with lots of documentation and support? Essentially id like to do object tracking and see if there … |
| | Well, I'm doing pretty good with my WebChat application, but I was thinking to add some smileys! At first, I would like the app to auto detect the smileys in standard form from a given string and place the image in its place, but I came across the problem: how … |
| | Okay I would like to set a Mnemonic for a JButton so that if I press the right arrow key the button will be activated. However I can not find what the command for that would be. Right now I have it so that you can hold down alt+Right to … |
| | i AM really new at java and i have just created a very simple diesign of something that is static but should play mp3 files, loaded the required jmf as well ...I want when i click on the jtable and then play song starts playing ..its is not happening here's … |
| | Ok so basically I just wanted to see if anyone had any ideas for me. Basically I want to do a project in java because i havnt done one for ages. Im fluent in java so that means i can do relatively complicated things. Id prefer for some software ideas … |
| | I am using websphere application server 6.. when i run ma application, there is a navigation from a jsp page t a servlet. the jsp page is a form and on clicking submit, control transfers to servlet and few statements should be printed. when the control transfers to servlet, i …  |
| | Hi, I'm really, really new to Java, but I've created a game, and in a separate file the GUI, but I don't know how to attach the functions of the program to the GUI. This is my program: [code] import java .util.*; class bust { public static void main (String … |
| | Hi, We have a java web application where users will be submitting videos. I'm trying to write a java program that is able to convert any movie file into compressed SWF video and FLV streaming video formats. The code should convert almost all popular file extensions such as AVI, MPEG, … |
| | Hi, I have a frameset with 2 vertical rows. 1. The Header (Header.jsp) and 2. The Body (Body.jsp) The header has all the links and the body is the base target. The problem that I'm facing is that I need to pass parameters through the URL and since the frameset … |
| | Here i try to draw line by mouse pn panel but it is not appear here is my code: [ICODE] import java.awt.BorderLayout; import java.awt.Color; import java.awt.Dimension; import java.awt.Graphics; import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JComponent; import javax.swing.JFrame; import javax.swing.JPanel; public class …  |
| | Hi All, I hope someone can offer some help / advice. I need to plot a fairly simple line chart/graph, using some data generated previously from another Java program (run from the console) that is output to a text file. I'm really struggling trying to produce a viewable line chart/graph … |
 | Hello, I'm learning Java ME and i was building an application that is a simple contact book, but in the main form it only have menus, because i don't know how i can list the registry's on it, remember that i want to list only the names in the list … |
| | Hello, I'm learning Java ME and when i complete the development of an application that uses RecordStore, it's simple a contact book, but when i completed the code i see that my program have an error and i use Eclipse, then it marks wrong codes in the left of the … |
| | The title says it all. Is it possible if so how would you code the kernel etc. Also is there an open-source project or something with the kernel etc already written? Again many thanks, jakx12. |
| | If choice is [COLOR="Red"]1[/COLOR], user will be prompted to enter the month and then the person and salary earned. Total number of person entered should not exceed 8. An empty entry on the "Enter person" prompt should allow user to break out of the loop. //i have been stuck on … |
| | Hello, Is there a way to center or offset a canvas component inside of a Java Frame (AWT)? I've tried a number of strategies based around frame.add(canvas), and whether I'm using a full screen frame of not, it's always aligning at the top left of the frame. Thanks for any … |
| | I'm writing a WebChat application using the socket functions in java. I'm able to listen for incoming sockets on the server side and connect from the client side just fine, but I'm having a problem communicating from the client to the server to ALL the clients. Right now, I have … |
| | I have 2 submit buttons in a jsp page. in the form action, i forward the request to a servlet. N in the servlet, i need to write logic for the respective button clicked in the previous jsp and redirect to a new jsp... Kindly help me with this... I … |
| | Hi, Let's say i have Main.jsp and return.jsp. i call the return.jsp from main.jsp and want the return page to return a string which I need to store in a variable in Main.jsp. How can I achieve this? Cheers!  |
| | Hi, I've just started using Netbeans 6.5.1, and I was wondering if you can run a single C file independently of the other C files in the project. This works for java. For example, you can run test1.java and test2.java independently in the same Java project. But it doesn't seem … |
| | i am a Bsc software engineering undergraduate , can any one tell me a project which is related to java service oriented architecture ? ,i am searching for a final year project. and i thought of doing it on java SOA if any one can suggest me a project topic … |
| | Hello. I have an undecorated JFrame (Which is rather boring by itself), and I would like to know how to get a drop shadow effect for it. I have researched it, but I haven't found anything, anyone have any ideas? Thanks in advance!!! |
 | Hello, I have a question, in my program I want to read a text field then to convert it to Color, How Can I do this ? I try this, but I didn't know if this is right : [code]String colorString = getCarTextButtons()[3].getText(); Color color = Color.getColor(colorString);[/code] |
| | hi everybody, I'm having a problem on what to do next in my project. below is what i need to do. if any body let me know if i'm doing it right and if i need more classes. help on boolean, clone and finalize method. Thank you... A library needs … |
| | Hi everyone! This code runs without throwing exceptions and stuff, but it doesn't exactly run when I click the "Submit" button -- what is supposed to happen is that I click it and it generates a random number. What happens is either nothing or if I get lucky and click … |
| | Hello, I'm learning Servlets technology, but i'm already a Java developer and i want to know how i can develop a servlet that have two pages, the first is a page that have a button and two text fields, one field of title and the other a memo field, but …  |
| | I know there's loads of these threads already and the norm is to [URL="http://www.google.co.uk/search?hl=en&client=firefox-a&rls=org.mozilla%3Aen-GB%3Aofficial&q=null+exception+error+java+method&btnG=Search&meta="]Google it[/URL], but I can't seem to find the solution. Anyway I keep getting this darned error and need to know how to fix it ASAP, since the Servlet project is due in this Wednesday. Code is … |
| | Hi, I'm using eclipse to write my programs but for some reason this code does not work can someone tell me whats wrong with it? here is the code. and sorry if i didnt use the code wrapper properly. package dataTypes; import javax.swing.*; public class Window { JPanel pnl = … |
| | I have a Player class, a Weapon class and a Projectile class in my applet game. The weapon class uses Projectile objects when fired. For example, everytime I click I want this code to execute: [CODE]projectileList.add( player.weapon.fire() );[/CODE] player.weapon.fire() returns one or more projectiles that the projectileList handles every frame. … |
| | Hi , i want to learn programming for android , so i download android sdk 1.5 and netbeans plugin . i have a problem when i run program that i Have written emulator not shown !!! and this message shown : select device please help me , what i should … |
| | I have a class Banner that extends JFrame implements ActionListener and is responsible for thread handling via actionPerfmored. "launch banner", "pause banner" works. "resume banner" seems to be dead alltogether [code=java] import java.awt.*; import javax.swing.*; public class BannerP extends JPanel implements Runnable { int width, height, xPos=10; boolean stopT; public … |
| | Dear Friends...!!! I have written a jsp file, its working very fine in my PC, BUT now i would like to upload my jsp files to somewhere on the internet so i can access my jsp files over internet... Please Tell me 1. where should i upload the files? 2. … |
| | Hello, I'm starting in Java ME development, but i'm already a Java for desktop developer, but how i can build Jar files for my Java ME applications using my Eclipse or command-line, i want to build it only. Thanks, Nathan Paulino Campos |
| | Hello, I'm learning Java and i want to build a program that save emails to an [i]*.txt[/i] file, like this: One guy send me an email, then the program periodically search if i have emails every 10 minutes and if i have it saves all the emails in a single … |
| | Hey everybody :) I am writing a program in NetBeans to write an invoice... the user has to click a few buttons to add the values and then clicks the "add to order" button and the information is stored in a jTable (this is all working) when the user clicks … |
| | What I have is this: [CODE=Java] public abstract class Ability { public class Action extends Ability{} public class Reaction extends Ability{} public class Support extends Ability{} } [/CODE] I have it like that so I don't have all of the Ability-extended classes in their own .java file (to save room … |
| | i have some basic knowledge of oop in java like polunophisum , inheritance etc but i do not about techniques like coupling and cohesion plz help me |
| | hi all i got problem on JProgress bar. when i click on button progress doesn't show. it display after completing the progress [code] class A{ //button clic ProgressBar frame = new ProgressBar(); frame.pack(); frame.setVisible(true); frame.iterate( ); class ProgressBar extends JFrame //inner class of A { JLabel l1; JProgressBar current; Thread … |
| | Hi experts, I got problem in servlet. I have a web page that has two buttons (submit button and update button) , both buttons call the servlet. my question is how I let my servlet program distinguish the two buttons when one of the two buttons is pressed. the servlet … |
| | Hi, I am new to the java world. I am getting the following error. ClassB.java:62: incompatible types found : int required: order.ClassB return Integer.parseInt(conString); This what I am trying to do.. I have two classes. Class A and Class B. Class A calls a method located in Class B (refer … |
| | Hi experts, I am having a problem with sending mail from servlet I have written this code : [code=Java] import javax.mail.Session; import javax.mail.Message; import javax.mail.Transport; import javax.mail.MessagingException; import javax.mail.internet.MimeMessage; import javax.mail.internet.InternetAddress; import java.util.Properties; public class EmailSenderDemo { public static void main(String[] args) { String from = "ali@mlabs.com"; String to = … |
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