36,051 Topics
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| | Hi, I want to get only the filename from the entire path in a file dialog in JSP. Right now I am using type "file" in input tag. any help will be appreciated. cheers!  |
| | I developed a pgm for msg transfer using UDP.i need a source code for transfering file using UDP and (with GUI), More details:After entering name of file on clients gui,the server should transfer the file to client and the contents of the file should be displayed on clients gui.  |
| | i need guidance to develope a pgm for msg transfering using tcp.i alredy developed this for single client and single server but i need to transfer msg from one client to another via single server.  |
| | I keep getting a 'illegal start of an expression' and ')' expected on a loop line for a program that counts and compare ten numbers and displays the largest. I have checked for "{}" and "()" parity, and also for ";" at the end of my statements; but the following … |
| | hi all, does anyone know much about the FESI interpreter ??? i am getting an error while using this third party product (GTX) which is written in java and i cant work out whats wrong. FESI is built into this product which i am using so i dont know the … |
| | Hello, everyone. Can someone explain to me on how to read a .mdf file (the SQL Server 2005 Express kind)? I have a Java IDE (JCreator) and the JDBC (SQL Server 2005 Express compatible) installed into this computer. Right now, I'm using this: [CODE]Connection c = java.sql.DriverManager.getConnection("jdbc:sqlserver://localhost\\SQLEXPRESS;DatabaseName=qsscsdb;IntegratedSecurity=True");[/CODE] to read the … |
| | Well, so if I use static initialization blocks to access another static data inside another class: [code=java] public class StaticTestA { public static Queue queue = new LinkedList(); static { System.out.println("A start"); StaticTestC.queue.add("A"); StaticTestA.queue.add("A"); StaticTestB.queue.add("A"); System.out.println("A stop"); } } public class StaticTestB { public static Queue queue = new LinkedList(); …  |
| | Hi, In this code: DrawPanel.java [code=java] import java.awt.Graphics; import javax.swing.JPanel; public class DrawPanel extends JPanel { public void paintComponent(Graphics g) { super.paintComponent(g); int width = getWidth(); int height = getHeight(); g.drawLine(0, 0, width, height); g.drawLine(0, height, width, 0); } } [/code] and this the application DrawPaneTest.java [code=java] import javax.swing.JFrame; public … |
| | For example: [CODE]package topdowngame; public class SpeedDir { double speed; private double direction; static final SpeedDir INTERNAL = new SpeedDir(1,45); // Other stuff [/CODE] If I write a code like this and excute it when I click: [CODE]player.speedDir = SpeedDir.INTERNAL;[/CODE] It only works the first time I click. I have … |
| | hi! i m trying to write some user entered entries to a text file on server... here is my code [CODE] String news=new String(); String path=application.getRealPath("news.txt"); news=request.getParameter("news"); PrintWriter pw = new PrintWriter(new FileOutputStream(path)); pw.println(news); pw.close(); [/CODE] this just doesnt seem to work....can anyone help?News is a text are field on … |
| | hello, im soon to be starting a Masters in Multimedia Computing so have been thinking of a few ideas to do my project on. One of them was to make a mobile/multiplatform e-comic reader - supporting the cbr/cbz formats (which are both comic archives compressed as zip/rar). Would Java be … |
| | I'm trying to finish this code..I'm still getting errors..can some plese help me! [TEX][ICODE]import java.util.Scanner; import java.util.Random; public class robot { public static void main (String args []) { int robot_x = 0; int robot_y = 0; int robot_m_x = 0; int robot_m_y = 0; int[] robot_instructions = new int[64]; … |
| | Why does the thread 3 execute before thread 2 though iam invoking it before thread 3? if i am right.. after invoking thread 1 the printmsg1 enters into the synchronized state. thread 2 is put in the stack then thread 3 is put in the stack. so after the thread … |
| | I need to implement an online auction as a client-server application (not Web based) Th auction should involve just two items for which people may bid. At the start of the application, the server will expect to be told the final bidding time for each of the two items, using … |
| | How can we display a list of all the databases in MYSQL using Servlets / JSP / JAVA ? Regards, Bharat Shivram |
| | You guys know of a good Java Ide? I have tried Netbeans and Eclipse but its slow. Loading the programs up takes about 5-7 minutes, and when I type. It freezes and 15-25 seconds later it show it on the screen. I need something better....Any ideas?  |
| | Hi All, How to create a pai chart or bar graph from a table data in java ?? Thanks in advance.  |
| | I'm looking for a way to detect when a JFrame is moving (maybe there is some kind of listener). I have a primary JFrame that loads a 2nd JFrame next to it. I want this 2nd JFrame to move simultaneously with the primary JFrame as though it were attached. I … |
| | Hi Friends, I am very new to JSP.Just started learning few days back.I am struck with form validations in JSP.Can you pl help me as to how to validate the inputs entered by user in the form.No alerts shud be there.For example..if user doesnot enter any mandatory column(say first name),it …  |
| | Numbers whose sum of digits is divisible by 3 represent numbers divisible by 3. Write a program to verify this famous statement. Input a 5-digit integer n from the keyboard. Find the sum of the digits. Call it sum. Verify that either (a) both n and sum are divisible by … |
| | hi all, i have been tasked to write a servlet (java 1.4.2) which grabs a file from a ftp server via sftp. i know how to write a simple servlet but i dont know much about sftp. Couldnt find any api on the suns site either. any help on how … |
| | Hi, I have a query regarding ratinaing the values entered into form by user.When user enters the search criteria and click on "search"/My bean search the DB and gives the results..But the problem I am facing is...after returning the results it doesnot display what criteria the user has entered...can you … |
| | Hi, i'm trying to read a simple email file from a folder in my computer. I find this code but, it's not working. i didn't understand theses lines: what should i write for mail.host? what should i write for "mail.transport.protocol", "smtp"? props.put("mail.host", "smtp.gmail.com"); props.put("mail.transport.protocol", "smtp"); [CODE] import java.util.*; import java.io.*; … |
| | [code]public class Intersection { private static String intersect[]= new String[3]; public static void main(String args[]) { // initialize Intersection intersect[0]="A"; intersect[1]="B"; intersect[2]="C"; for (int i=0; i<intersect.length ;i++) {System.out.println(intersect[i]);} Intersection inter= new Intersection(); System.out.print(inter.getIndex("C")); } //get index of intersection public int getIndex(String str) { for(int i=0;i<intersect.length;i++) { if(intersect[i].equalsIgnoreCase(str)) { return i; … |
| | I am developing an desktop application in which I need to use javafx and java both as I read on sun's site that, we can use objects of javafx classes within java programs but when I tried it, I didn't get how to? Can any body help me how to … |
| | [code=java]//their is an error in my program... and i dont know what it is... //and i need to make two columns how can i do that? import java.awt.event.*; import javax.swing.*; import java.awt.*; import java.util.EventListener; public class Assign_1 extends JFrame { private JLabel quizOneL,quizTwoL,quizThreeL,quizFourL,AverageScoreL; private JTextField quizOneTF,quizTwoTF,quizThreeTF,quizFourTF,AverageScoreTF; private JButton calculateB, exitB; … |
| | Greeting everyone.. This is my very first thread. I'm a final year student doing my thesis. I want to develop a software of Java that can encrypt an image so that it can be transformed to unreadable form. My idea is to transform the image file (i.e JPG, BMP) to … |
| | I've developed function which allows to skip to a desired line number within a text file (see function). However, what I would like to do is develop a function which takes me to the beginning of the file (i.e. line 0) after calling the navigateForwardToLine function. However, I can't seem … |
| | How to get and set SNMP protocol variables of a router...? Is IP address really an SNMP variable ? Which method or what code should I use for sending the snmp GET and SET packets to that router? will socket programming be efficient? PLs give example.. |
| | hi all i got problem reading multiple table from ms access using jdbc. i read two table from one class but i got 12 table to read. so how can i do dat? any help will be great thank you |
| | hi friends We are connecting to sql server with Java and jsp as front end for our application. We are almost 10 people connecting to same machine regularly. earlier, we were just 4 or 5 connecting to one machine, now all are connecting to same machine, coz of some policy …  |
| | How to make a code for this using multidimensional array in java: Underwear Unit Price Quantity Amount Brief 10.00 5 50.00 Panty 5.00 20 100.00 Bra 25.00 1 25.00 TOTAL AMOUNT: 175.00 |
| | a JAVA program that would input a string and display the total number of vowels and total number of consonants. (use method) Example: Input a string: beautiful Total Vowels: 5 Total Consonants: 4 |
| | what is the difference between jakarta and apache Struts??? Thankzzz..... |
| | Hi, I am new to java...I want to know how to run a .jsp file using TOMCAT server please help me. |
| | HI sir.. plz help me to solve this problem. i write this code in jsp.. m getting image from database but the other HTML and JSP code i.e buttens and some output messages Thanks in adv... [code=jsp]<?xml version="1.0" encoding="UTF-8" ?> <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %> <%@ page language="java" … |
| | hi, i have a simple two file webapp where i pass two strings to a jsp page for processing. however when i run the app, i get 'resource not found error'. cant figure out what's the problem... some help will be much appreciated.. i got two files. index.jsp which launches … |
| | hello! m new to java.i want to create an application that accepts length x width from combo box.there are 100 values.i want to draw a rectangle whose size will change for each value in a combo box depending on its length and width. which method should i use? can any … |
| | I need to convert a byte array to a string, and it's working perfectly except for a few values. [code] byte[] b = {(byte)0x8D}; String s = new String(b); [/code] Instead of adding the value 8D to the string, it adds the value 3F. Any ideas why this doesn't work? … |
| | Hi I'm novice in ubuntu , i'm using NetBeans IDE for j2me programming but i have a praoblem : emulator do not work !!! when i'll run program dose not work and this message is displayed : [CODE]java.lang.UnsatisfiedLinkError: /home/mahdi/netbeans-6.7/mobility8/WTK2.5.2/bin/sublime.so: /home/mahdi/netbeans-6.7/mobility8/WTK2.5.2/bin/sublime.so: wrong ELF class: ELFCLASS32 (Possible cause: architecture word width mismatch) … |
| | A Sports Management Application is required to process the results of sports competitions (e.g. Asian Youth Games). You are assigned to develop a simple Java program to demonstrate the functions provided by the system. A sample of the result of a sports competition shown in Figure 1 below: Country Gold …  |
 | Hi all, I hope you are well. I am in the process of building a small Java application that reads data in from a unicode text file (.txt) and processes it into a jTextArea. The trouble I am having is that the unicode file contains some Greek characters, most of … |
| | This is the snippit im having a problem with. I've tried playing with the preferred size of both the JList and the JScrollPane with no luck/mixed results. I want to be able to size it to exactly 1 size so it never changes. [CODE=JAVA] import java.awt.BorderLayout; import javax.swing.DefaultListModel; import javax.swing.JFrame; … |
| | I am using Eclipse release 3.4.2 and am getting a popup error saying: "Could not find main class. Program will exit." In the console the error says: "java.lang.NoClassDefFoundError: Inventory" "Exception in thread 'main'" Is there any other information that would be needed to help with this? |
 | Hello. Im new to Java and I have a question. I wanna access another class (e.g. the name of the class is Person) from class Main. I wanna access specifically, the main of class Person. How do I do that? |
| | I am having an issue where with my program and reading all the posts on your site has been VERY useful in understanding this project thank you! Now for my issue i am having trouble getting the buttons to recognize the class provided for them. For instance (i use Netbeans) … |
| | Hey guys, currently I am doing on insert products into the database. For the insert form in jsp, I am making use of hashtable in multi part form so that I can upload images as well as insert data into the database. I can insert thr details as well as … |
| | I realize this code has been seen a million times already. I am trying to 'start' on part 3 of this. I do not wish for it to be done for me just a starting point for this subclass. These are the directions: Modify the Inventory Program so the application … |
| | I am trying to create a program that will store user input into nodes of a linked list. I want the user to only have to input the data they wish to be stored, so I am trying to figure out a way to automate the naming of the new … |
| | Dear All, I have a problem, i need to align all components(JLabel,JTextField,etc) to right in the JPanel. Is there any layout method which can set the layout of the jpanel and then adding any jcomponent is aligned as the JPanel. thanx in advance |
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