36,051 Topics
 | |
| | Hello eyeryone, I am wrking on a project which deals with building avionic GUI like metres,gauges etc.. i was not able to create the exact look and feel using the java swing standard libraries, please tell me any other alternative for creating such GUIs like[B] activex[/B] and wheather i can … |
| | I am trying to create an inventory GUI display for scool. I have this GUI class as part of a 4 class program. For some reason I thought that the last lines created buttons yet this program lacks them. I also hav problems having my main call the GUI to …  |
| | There are many[COLOR="red"] [I]Java Decompilers[/I][/COLOR] which can decomile [COLOR="Red"][B][I].class[/I][/B][/COLOR] file to [COLOR="red"][B][I].java[/I][/B][/COLOR] file revealing the source. Is there any way to prevent this reverse engineering ? Like in .Net framework, once .dll or .exe is built, noone can reach to source code. ?:S |
 | |
| | i started learnin Java last weekend and its my first programming language ever. ive learned most of the basic stuff (if/else, loops, etc.) and was just wondering what to do next?  |
| | hi guys, hope you are fine. I have project is about online form appliation , I have done half of the project, the part that the client login to the system and choose a form, filling the form , then sending to adminstrator a message saying one user has applied …  |
 | Hello everyone, Someone I know asked me about a problem he has with a program he is writing. I know nothing about his code, but he is writing a keyboard program, with the midi synthesizer in the sound api. what I do know is that he is using note on … |
| | Hello, I have many jsp applications connected to Apache Tomcat 5 and IIS 6 i need to find a way to limit the number of active users in each application either in tomcat or in IIS, i know there is a way to configure server.xml in tomcat but will that … |
| | Hello all; I'm new member in this forum. I want ask how have experiense in Aglet and using mobile agent. I need help Plz.. regards |
 | Hi, I am trying my hands on Java Regex. Here is my program below with the description of what I require it to do actually. The thing is that this MyKeyword May occur multiple times in a file. Also My program works for a file like this:- [CODE](\\S+)<tab>MyKeyWord<tab>(\\S+)<tab>(\\S+) (\\S+)<tab>MyKeyWord<tab>(\\S+)<tab>(\\S+)[/CODE] but … |
| | Hi, nice to meet you guys, i have a questions needs some helps from you guys, at the moment i have to get a title for my final year project, and i am totally got no idea in my mind, so can anyone give me some hints on the title … |
| | Hi guys, could anyone tell me why my code cannot input contents into the file, thanks in advance.[code]import java.io.*; import java.util.Scanner; public class FileIO { /** * @param args */ public static void main(String[] args) { // public void writeToFile(){ try { File outFile = new File(args[0] + ".txt"); PrintWriter … |
| | Hi to al :)l, Hope all will be fine. I want to include a link in the alert method.I tried this [code=JavaScript] alert("Please enable your java to experience this enhanced page." + '<a href="http://www.java.com/en/download/index.jsp" target="_blank">Free Download Java</a>'); [/code] But this will not made a link it shows all as it … |
| | I have been trying to create a program that outputs four arrays created with random ints doubles chars and booleans. It will compile but when I run still gives me the same variables which have nothing to do with my input at all, but my char array works perfectly. [CODE]import …  |
 | I have a challenge. I need to provide a solution that would enable me capture images of occupants of several motor vehicles scattered around a geographical area. These images could be still images or video transmitted over the web to my server in my headquaters. I can program in JSP, … |
| | Topic The topic of this question is: db_Connect does not connect. Hello and Thank you in advance for any assistance. [b] System info:netbeans project,database attached or provided at: [url]http://cid-b5cb457363230793.skydrive.live.com/self.aspx/.Public/school.zip[/url] [/b] [b] The purpose of this post is: Try to get a sql statement to work [/b] [b] The functionality of … |
| | could somebody help me creating a program through which i can control utorrent via bluetooth.. as in startin pausing or updating trackers and stuff.. could u please create 1 and explain me? plz  |
| | Hi all, I'm having trouble compiling a C++ project,which was originally written using the VC++, in Dev-C++. The problem is identifying the compiler errors that are incurred by the Min-Gw compiler(the default compiler that is shipped with Dev-C++) I've currently have converted the project(which is an opensource example of JNI) … |
| | How to convert time zone of one place to the time zone of another place i.e how to convert time of one country to time of another country through java?explain with complete coding.  |
| | Hi, Does anyone know about any Java based API for communication in NDM (Network Data Mover, nowalso known as Connect : Direct). Please suggest. Regards. |
| | I know that I don't have this just right, but I'm not sure how to get it just right. I've tried several different things and have been unsuccessful in all of them. Any tips? Also, by using [code]DisplayIntroMessage()[/code] near the end, will that bring up the method to begin the … |
| | I have worked with maps before and I have come to the point where I need to save a map when I quit an application and load it when I open application. How can I achieve this goal? Do I have to save it to a file upon exit and … |
| | I'm in the process of writing a 2D physics engine in Java, and am trying to figure out the algorithm for the most basic of all physics tasks: Object collision. Detecting collision between two circles is easy: check if the distance between their centers is less than or equal to … |
| | I tried searching and couldn't find anything, so I'm sorry if this has been posted before. I need help aligning output at the command line. I want to make even columns, but can't figure out how to do it. Attached is a screenshot of my current output. I want the … |
| | Write a program HollePrinter that switches the letters "e" and "o" in a string. Use the replace method repeatedly. Demonstrate that the string "Hello, World!" turns into "Holle, Werld!". |
| | In the following method: [CODE] public boolean isMemberAlive(String userSsn) throws SQLException { boolean isMemberAlive = false; Connection c = null; Statement s = null; ResultSet rs = null; String strSQL = "SELECT Count(*) AS RecordCount " + "FROM crs.memmst " + "WHERE memmst_ssn = '" + userSsn + "' AND …  |
| | hi, so im new to java, fresh off the c++ shores (what a nightmare programing is :p) and i have what should be a really simple assignment 1. The electicity accounts of residents in a very small town are calculated as follows: * If 500 units or less are used … |
| | hi I need somebody to tell me how I can package my java code for distribution and installation |
| | The following program works well.But it cant identify any null values present in the csv file. For Example if csv file contains "Suren,Java,Dojo,Hibernate,,Spring,SOA" .I reads first four strings properly but for fifth string instead of reading the null value it reads the sixth string. Pl. help. import java.io.DataInputStream; import java.io.FileInputStream; … |
| | Hi all, I need to subtotal the amount for all employees using extended data table...If there is any possibilities,.,. |
| | I'm having some trouble getting the times to show up correctly. inputTime is running fine, but neither displayStandardTime nore displayMilitaryTime is displaying. I've been playing with this for a couple of hours and can't figure it out. I'm probably missing something small, but it's driving me nuts in a big … |
| | I'm toying around with Java trying to familiarize myself with the basic GUI stuff. I can't get my program or my text field inside of it to center on the screen. For the Simple... file, I've tried using the [code]theTextArea.setLocation(15, 30);[/code] and [code]//theTextArea.setAlignmentX(CENTER_ALIGNMENT); //theTextArea.setAlignmentY(CENTER_ALIGNMENT);[/code] seperately. When I have either of … |
| | What is the best approach of writing java code in following 2...... ? What happens at jvm level in each case ? 1. [ICODE] for(int i=0;i<10;i++) { MyClass m = new MyClass(); m.doSomething(); } [/ICODE] 2. [ICODE] MyClass m; for(int i=0;i<10;i++) { m = new MyClass(); m.doSomething(); } [/ICODE] |
 | Hello guys. After some time searching around the forums for a thread about an e-book for crash course from C++ to Java and no luck I decided to post a thread about it. So my question is,does anyone has or knows such book? Thanks in advance.  |
| | Hello :) I've been trying to compare to array lists with the following code: [CODE] final VideoObj v1 = new VideoObj( "A", 2000, "B" ); final VideoObj v2 = new VideoObj( "B", 2000, "B" ); ArrayList<Record> list = new ArrayList<Record>(); list.add(new Record(v1,1,0,0)); list.add(new Record(v2,3,0,0)); ArrayList<Record> list3 = new ArrayList<Record>(); list3.add(new … |
| | hi all, I have simple question which is how to access to servlets inside subdirectories of classes directory? I know that for one subdirectory inside the classes directory , you can access to servlets like this [url]http://host/servlet/packageName.ServletName[/url] but how about the servlet is inside one or more subdirectories? I have … |
| | I wrote this small program for a class im taking, and its supposed to take an int n and a radix (int between 2 and 16) r and give me the number converted to the new base. It only has to go from decimal to other radix's. I run my … |
| | Hello, I don't even if memlocs/offsets are the correct terms for such thing. but I'll try to explain as much as I can. What am trying to figure is; is there a possible way that I could read information off other applications running? For example, I want to make a … |
| | i created a table with a files with auto number in mysql. i added 15 raws of data i deleted some added data (say 6-15) when i add data again, auto number starts with 16. how can i make it 6? (i hope u get the point) |
 | this is a while loop structure.... the output is this .....* ....*** ...***** ..******* .********* *********** supposed to be... this must be a perfect triangle... the dots represents blank spaces my code was this [ICODE=JAVA] public class stars{ public static void main(String args[]){ int stars=5, space=5; while(int i=1; i<=stars; i+2){ … |
| | Hi, The following code works well but the problem is it does noy reads the null values.For Example if csv file contains" Surendar,Java,maths,science,,history,english " Here the program reads the first four strings properly and for fifth string instead of reading null value it reads the next string. Please Correct the … |
| | hello, I'm a beginner and I'm trying to create a mortgage GUI and I'm having some trouble trying to figure out why the variables in my ActionListener are not read. can someone assist? here is my code: import java.awt.Container; import java.awt.Font; import java.awt.GridBagConstraints; import java.awt.GridBagLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import … |
| | I am working on a coilgun, for a more in depth explanation of how it works PM me ;). Basically it uses electricity to launch a projectile I need to output pulses of varying lengths to precisely regulate the on and off times of some circuits. So basically I need … |
| | Here's my program: import java.awt.Rectangle; public class RectangleTester { public static void main(String[] args) { Rectangle r1 = new Rectangle(0, 0, 100, 50); Rectangle r2 = new Rectangle(0, 0, 100, 50); r2.grow(10,20); System.out.println(r1); System.out.println(r2); } } No error compiling but when I run this is the output 2009-09-14 16:00:29.174 java[414] … |
| | I have question on how to detect an action invoked by a component in some class by the other class. Say: [CODE] public class C1 extends JPanel { JButton button; C1() { button = new JButton(); add(button); C1Action h = new C1Action() button.addActionHandler(h); } public void doSomething() { // code … |
| | This gives a compilation error " missing return statement".. there is no sql error or such...where to put the return.??? private boolean checkpword(){ pasWd = pword.getText() ; try{ /*this works ok...>>>*/ResultSet pwrd = c.getData("Select Pword from users where userNm = '"+uname.getText()+"' "); while(pwrd.next()){ if(pasWd.equals(pwrd.getString("Pword"))){ return true; } else{ return false; … |
| | please can anyone help me doing this example. Add to the text editor's GUI a menu that lists these font sizes: 12, 14, and 16. When the user selects one of the sizes from the menu, the text displayed in the text area changes to the selected size. SNIP |
| | hii frndz...i want to make a all in one key generator wid d help of java....plz help....... |
| | I have the log file blackjacksample.txt $10000 3 [2H, 4C, KC, 5D] $10 [QS, QD] $5 [AC, 3C, 4D] $25 [10H, 5C, 7H] [7C, 5C, 10H] $20 [JH, 3C, 8H] $15 [3H, 6D, JC] $5 [AH, KH] [9C, JS] $40 [5C, 7H, 3D, KS] $30 [9C, 10D] $50 [AD, 10C] … |
| | Hii frnds, I want to know how to insert data into a table through JSP when u have the table name as a variable...Pls help me out. [code] Statement stmt5=con.createStatement(); String qry5="insert into t1(id) values('"+dat0+"')"; int u5=stmt5.executeUpdate(qry5);[/code] I know this stuff. Wat I want to know is how do we … |
The End.