35,618 Topics
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| | Im writing some software for a friends Pc repair shop, simple booking in software so he has a record of customers, addresses and repairs they have had done. I'm getting throught it quite well thanks to members of this forum. Question is: I have a Customer class with attributes String … |
| | How to connect a MIDlet application installed on mobile to a server application on the desktop?  |
| | I'm trying to add an image to the top of my GUI as a logo. I tried to put it in a JPanel then add the JPanel at the top of the GUI, the only problem is that my image isnt going into my JPanel. Heres my code for it … |
| | Hi, I'm trying to write some code that will draw a filled in black circle at the coordinates where the mouse is clicked. Here is what I have written so far, I can currently get the coordinates of the mouse click point but nothing is displayed. I also get an … |
| | My source code runs fine in IBM RAD. When I tried to run it in JBuilder, I encountered an error "Incompatible object argument for function call" while running a JSP file. Any idea how to handle it? See details below: 012-06-16 10:20:48 - Ctx( ): Exception in: R( + /FileUploadAction.jsp … |
| | Hello, can you please help me to see what's wrong? INSERT INTO jobs (priority, date, deadline, material, status) VALUES (?, ?,?,?,? ) select customerID from Customer where CustomerID =?"  |
| | How would I go about searching a map that hasbeen written to a file? My GUI has a method caled processFind() which prints all keys in the map, I have this working but not if the map is saved to a file. private void processFind() { gui.results.setText(""); for (Object s … |
| | Can i create **GUI in round** shape wihtout title bar by extending **JFrame** class in java. I want circular shape instead of default rectangle. How can i do this? Plz give solution as soon as possible.  |
 | well i am tring to make compass with a needle which rotates with respect to the position but the problem is my new to j2me and i dont know how could i access my gps to to do so i want to know wat r the various api's i can … |
| | Hi every one, Can anyone give me some idea about this! I need to check a string is numeric or not. Example: if string is 1111111111 returns true if string is 11111111aa returns false if string is 11 1111111 returns false if string is 111~`11111 returns false Any idea will … |
 | Is there anyway, through java, to tell whether a tv connected to your computer is turned on or off? Or if its not build into java is there any way to even do this in windows? Because nothing change in windows or my raedeon driver when i turn my tv … |
| | System date & time is in SimpleDate format. How can i convert this into integer? **"sdf.format(new Date(System.currentTimeMillis()))"...**.......... I want to convert current time** into integer** data type. *Plz plz plz help me.* Any help for this is alwayz welcome. |
| | Hey, Im stuck trying to figure out how to insert one byte between two other bytes that have already been created in an output stream: OutputStream out = new FileOutputStream("MyFile"); try { out.write((byte) 70); /*Byte should be inserted between these elements*/ out.write((byte) 40); /* but must be performed at end … |
| | **Wow I'm an idiot, I just saw the problem, how did I not see that for so long. How do I delete threads?** Hello everyone! I have a problem that confuses the hell out of me, when I try to compile my class file I get the "illegal start of … |
| | Hi, i need help on updating data in mysql using JDBC since im using java.i want to send data from arraylist and it seems and error when i run it.below is my code for update. [CODE] private void update(ArrayList<String> list, int uid) { try { Connection con=null; Class.forName ("com.mysql.jdbc.Driver").newInstance (); … |
| | i need help creating enemy. i want enemy to move closer to player and enemy can only move left or right; here is my enemy class public class Enemy extends BasicGameState { Animation enemy; Animation e_movingRIGHT; Animation e_movingLEFT; int[] duration = {200, 200}; //how fast animation change double speed = … |
| | I have a TreeeMap that i need to wite to file. I tried this: try { File file = new File("reboot_customer_details"); FileOutputStream f = new FileOutputStream(file); ObjectOutputStream s = new ObjectOutputStream(f); s.writeObject(customerDetails);//customerDetails is the map i need to save s.close(); } catch(Exception ex) { gui.results.setText("Error: " + ex); } When … |
| | Hi, can anyone tell me how to make the text a user types into a JTextfield appear in uppercase regardless if caps is on or not? Thanks Glen.. |
| | HI Could yu please tell me how to get previous values from current iteration in the below example : public void parseDtoCollection(Collection dtos) contains list of dtos in private AssetClassVersion createNewAssetClassVersion(AssetDTO dto) method i am iterating but i want to get to get previous itearation values in current iteration if … |
 | Can some one provide me an example to call dll from java? I learning some thing about JNI , also linkage with c++ but doesnt found any cool stuff on c# and java... I want a free solution. Thanx in advance. |
| | Hello, I would like to retrieve the data from one of my database table. I have read many stuff about it and found out that I need to create a table model which is quite confusing to me. Basically my table consists of customer information. What is the best way … |
| | hello,i have a problem in my math project. my project is to write a program that read set of element and its relation. the input data will be from text file.(Set<space>Relation). {1,2,3} {(1,1),(2,2),(3,3),(1,2),(1,3),(2,3)} i have no problem reading text file into the program but im stuck when i want to … |
| | I am trying to learn JavaMail API.i am working on this.i have search much from google..i know for hosting mails, mail server is require and Apache james is a open source server.i have downloaded that.but i am not able to configure that.i dont understand how actualy javamail work with James.I …  |
| | I am hoping this is an easy question. I am not well versed in Java, I am a ITSM admin, but the ITSM product we use comes with Tomcat as it's web server. I am trying to find out if there is a simple way to set index file (welcome … |
| | Hey, Iv been working a lot with binary files recently and i am currently stuck trying to save a string to a file. The problem is i do not want the literal string value of "010100000000000100010011000000000001000100110" to be saved to the file I want the above binary string to be … |
| | Hello! I am starting a small text based game, I have created my set and get methods for my player class: import java.util.*; public class player extends main{ /* * Player attributes: * Name * Weight * Morale * Money */ //PLAYER ATTRIBUTES private String name; private int weight; private … |
 | I am making a game, and I am wondering how to make an image from a graphics object. I have tiles stored in an xml file. I then read from this file to make the level, however I would like to have a thumbnail for each level. This is why …  |
| | main() is a static method and is part of class. Then how is it that main can access instance members? |
| | i havae problem java connection with sql server 2005 in windows authentication mode my code is as follows Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver"); Connection connection = DriverManager .getConnection("jdbc:sqlserver://localhost:1433;database=dbName;integratedSecurity=true;"); |
| | HI All i am new to java jdk 1.4 and tomcat 4 my requirement is id desc name firstname lastname 1 hi ravi m last 1 hi ravi m middle 1 hi ravi m mapp 2 hi kiran ha hey 3 hi vinoth hello yes id is ----id desc name … |
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