35,619 Topics
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| | hi, I'm trying to write simple culaction programe using stack .. the GUI is simple one textField and one textBox for the outbut and one button this is what I wrote in the button I tried the first operation "-" and it work but I got stuck doing the other …  |
| | How do you create a node with fullName and studentID in the "add" method and then put them into the correct positions which the name_first and name_second should move until the name in the name_first is larger than the new_Name and name_second is smaller than the new_Name? public class NodeDemo{ …  |
 | Hello! I've been busy passing exams, but now I'm free to code around again. So, in my usual style! **The goal:** I've been playing some Battlefield 3 during study breaks, and I've often been pissed off by BF3's autobalance mechanism. It's bad. Horrible. It makes me sad. I usually have … |
| | Hi All, I am very new to image processing and my requirement is to detect whehter the given large image consist the given subimage (small image) using Java and FAST algorithm. I have found the java lib (jfeaturelib) which support APIs for FAST algorithms and other descriptors etc. Follwing link … |
| | I have to do a project where the imust create a class that draws a crayon and then an applet that draws a box of those crayons. I can get the box to draw, just not the crayons. Help? CLASS import java.awt.*; public class Crayon { private final int BOTTOM … |
 | Hi all, I am reading a bit about inheritance, super classes and subclasses. Now when I build a java program I usually have a java file for the class and another one to test the class. I was wondering if I use a superclass and a subclass, should they be … |
 | Hi DW Well I'm new in java I'm using Visual Basic the most so now I just decided to cross platforms and start doing java, so there is a project that I'm trying to create in jave (I'm sorry for the namings just in case I don't use the right … |
| | I hava a simple Java application which uses the `ProcessBuilder` and `Process` classes to execute **cmd** commands. The commands just load a window. Now the problem is when the window is closed, the process remains running. Below is the code snippet I have used: try { ProcessBuilder pb = new …  |
 | hey there, I am working on this project where I need to retreive merchant objects and their corresponding number of failed transactions. In pure SQL, I'd just write : "select merchant_id , count(merchant_id) from Transactions where status = 'failed' group by merchant_id" however, the only way I managed to write … |
| | i am a beginner here, now i am having trouble adding function to the buttons.(i have no idea what to do so might need deep explaination on everything) i totally don't know how to add function onto the button. here is my code: Second part is servlet <%@page import="ejb.CartServlet"%> <%@page … |
| | I have to build a program which takes a password as input and then the password machine hacks it. It should do it by looping through the ascii character map 4 times i.e a, b ,c etc followed be aa, ab, ac. It's meant to simulate a "brute force attack". … |
| | I am a final year student. My supervisor had asked me for creating one chat program using java. i don't have any idea on how to started it. he asked me for doing a standalone system. please help me solve this problem?  |
| | Hey there, I have a question regarding the builder pattern that I need someone with more experience to clarify for me. I have this User class that has an inner, public static Builder class that has the same fields as User as well as the corresponding setter methods. Now, the … |
| | Hi, I would need help in getting this logic done. I am having an input file in below format: AAAAA HsfAgr345S 001 pos gfdgojog AAAAA HsfAgr346S 001 pos gfdgojog AAAAA HsfAgr347S 001 pos gfdgojog BBBBB POSgfgh571 002 ipo postalap BBBBB POSgfgh572 002 ipo postalap BBBBB POSgfgh573 002 ipo postalap BBBBB … |
 | So, i have made a small test application attempting to learn and get used to the Trident library. I use a Timeline to alter the position of a JPanel. I was really impressed with how well it worked, until i added a background color to the moving panel, its all … |
| | - Please how is possible (probably dirty hack) to create [How to Create Translucent and Shaped Windows](http://docs.oracle.com/javase/tutorial/uiswing/misc/trans_shaped_windows.html) - undecorated container (returns *java.awt.IllegalComponentStateException: The frame is displayable.*) - change Look and Feel for (returns *AWT-EventQueue-0" java.awt.IllegalComponentStateException: The frame is decorated*) - by using code from linked official tutorial . import java.awt.*; … |
 | Hi All, I created a small executable that runs an SSIS project. It works on my system but when I tried using it on a colleagues system nothing happens. I'm not overly familiar with with part of Java so any suggestions will be most appreciated. |
 | I am trying to use java to detect when a USB is inserted and to read from it. I am currently using javax.usb to try to accomplish this however I get this error (line 11) when running my program javax.usb.UsbException: The property javax.usb.services is not defined as the implementation class … |
 | Hello Everyone... I am new to the Java and want to learn java from the beginning... Please suggest me some good books and references to learn java efficiently... |
| | My web pages are written in JSP and want to put online. Could you recommend some free web hosting? I searched, but can not find the one I want. Thank you. |
| | I'm trying to create a multiple choice quiz, and I need the content pane to scroll. If you run the program I've attached you'll see what I mean. Each question and the answers are place in a JPanel and the JPanels are place on the content pane. Thanks in advance … |
| | hey guys, i'm new to java ,,,and i have a problem wish u to get ur answer ASAP i'm reading from a text file by PrintWriter , and there are 3 rows first row is ID second row is name and third row is address. and i want to get … |
| | Hi how do i convert a strnig to XMLGregorianCalendar type. I used the below code for this but it throws an exception. userInput41 is a stirng parameter. XMLGregorianCalendar sdate=DatatypeFactory.newInstance().newXMLGregorianCalendar(userInput41); appreciate a reply thanks |
| | hai friends.. i want to know whether any mobile apps developed by PHP..plz reply...most of the companies choosing java for they mobile apps..it is possible means just tell the tools required for that |
| | I have a strange problem, I have a domains and a subdomain [url]http://client.spry-forms.com[/url] (login using demo/demo) [url]http://spry-forms.com/ClientAdmin[/url] (login using demo/demo) The server is setup with only tomcat 6.0.18.0 Both the above domains are mapped to tomcat/webapps/ClientAdmin. When some one logs in from the second url, the link CREATE NEW FORM … |
 | Hello good day. I have an urgent need as it relates to creating a table. Is it possible to create sub-columns under a main column? Please see image file for clarification.  Ultimately, I want to create a coulmn heading, and then beneath that heading divide it's width into … |
| | les say i want collision between two rect than i cant set up bounds on both rect: public Rectangle getBounds(){ return new Rectangle(x, y, width, height); } than to check for the collision i can do this: if(rectOne.getBounds().intersects(rectTwo.getBounds()) { ...} **now les say what if i want 2d array:** 0, … |
| | i want to replace email string, so example@example.com become examplexxxxxxx i code like this but it did not work : String input="$!email"; String output = input.replaceAll("@$", "x"); System.out.println(output); Please help |
 | Hi all I have a piece of program in which i am taking input from another jframe and then using that input i am trying to show results from RDF/XML file, now the issue is that i am trying to convert that input(which is obviouslyin string) to Property datatype of … |
| | hey all I was watching a tutorial on java game development.In that video,the guy was making a window a on the screen,then making an oval,then moving it. His code worked fine and i am 100% sure that my code is similar to his(i checked it a few times). What my …  |
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