35,618 Topics
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| | Hi there, In the code below my ImageIcon isn't showing when I run the program. I always struggle with adding Images in my GUIs and it's irritating. Is there some all important rule that I should know or something? [CODE] //Create window Components JLabel lblrequest = new JLabel("Enter amount of …  |
| | I am developing a java application that should run entirely from a CD. I should not install anything on the machine but now I am in need of a database. Is there any DB that I could use to sort out my problem? Thank you.  |
| | Hi Guys I require a Java applet (and web service on server) permitting upload of large files to the server. Client side: The applet UI should simply permit selection of a file for upload from the local directory structure. The server URL will be hard-coded in the applet. When the … |
| | Hi there. I am currently trying programme my code[COLOR="Red"](P)[/COLOR] to lookup a hashtable from another class[COLOR="Green"](F)[/COLOR]. IS that possible? Given that the hashtable is in the main method of [COLOR="Green"](F)[/COLOR]. Should I apply a toString() in [COLOR="Green"](F)[/COLOR] and make it a String variable before I call it into[COLOR="Red"](P)[/COLOR]? If I … |
| | How we change values of one combo box with respect to second combo box in same page using ajax in jsp?Plz help me its uergent. |
| | I want to add sound in my Java program. I searched in Internet, and what I found was only how to add sound to java applet. Isn't there any way to insert sound into the desktop application java? Thanks in advance Regards, AG |
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| | How do [B][URL="http://www.improsys.com/importer.htm"]IMPROSYS[/URL][/B] use Contact Importer JAVA in a JSP page? <%@ page language="java" contentType="text/html" %> <% String user = request.getParameter("user"); %> <% String password = request.getParameter("password"); %> <% String parser = request.getParameter("parser"); %> <% String userId = "";%> <% if(user == null) user = ""; if(password == null) password … |
| | hello.. i'm new and still learning netbeans.. i use netbeans as my mini project for my java course.. but here's what i dont understand.. i design using GUI.. i make black background... when i click on preview design.. everything seems ok and it look exactly like what i want.. but … |
| | hi all, im fairly new to python and am struggling to find out how to read javascript values from a site. Help is much appreciated. thanks, Python01 |
| | Hi all, I am having a problem with threads as demonstrated below: I have four very small and simple files. They are as follows: [CODE] 1) public class MainClass { private static SchedulerTest sch = null; public static void main(String[] args) { try{ sch = new SchedulerTest(); ThreadController tc = … |
| | Ok so I'm brand new to programming and Java so go easy on me. The assignment is to take fractions and do all the operations to them, add, subtract, multiply, and divide. We are also required to do this with a test file and then the actual file. So far … |
 | I am trying to start this java program using the requirements below, but I have no idea where to start. Just so you guys know, I am just starting out in this language. i have experience in Javascript programming, but this is completely different. I am used to Java programs … |
| | So i am a college student and my assignment is to create a code that determines if an entered number is a palindrome or not. the assignment is as follows: "Write the following two methods: //Return the reversal of an integer, i.e. revers(456) returns 654 public static int reverse(int number) … |
| | I created a little beginners program, and its about a Telephone network which has an operator and three clients: i made four classes, and it gives me error at planta and cliente In cliente it gives error on public class cliente private operadora Im Planta it gives me error in …  |
 | Hello, everyone! I have a really basic Triangle program that I have to make (no applets or Scanner, just calculating), but I have no idea of where to start. I'm supposed to compute the lengths of the sides, the angles, the perimeter, and the area. Right now, I'm stuck on … |
| | Hey GUys, im trying to include a file inside my template. My code: [CODE=jsp]String get_act = null; get_act = request.getParameter("act"); boolean loggedin = (session.getAttribute("logginname") != null) ? true : false; if( loggedin == false && get_act != "login"){ out.write("Redirecting<br>"); response.sendRedirect("?act=login"); }else{ String include_page = null; include_page = get_act +".jsp"; %> … |
| | Hey, this is my first post, and i'm a complete noob at Java. (i don't exactly know if i did the 'code tags' correctly, so if it didn't work properly, just know that I tried. my basic question is this: I'm trying to make a program that runs fullscreen on … |
| | can someone help me write a java program that reads the inputted text and checks to see if any uppercase letters where used. |
| | hi, i am new to java programming, i do not know anything... can anybody post a sample program for implementing jeditorpane. it will be a great help .... thanks in advance... |
| | I have 3 classes. Class A has an ArrayList of class B and class B has an ArrayList of class C. Within Class A, I have a function called contain [CODE] public boolean contain(int t, String n) { for(int i = st.size() - 1; i >= 0; i--) { if(st.get(i).contain(t, … |
| | Hi all, I wrote this program for constructing an ID out of someones first name, middle name, last name, and address. I got it to work and run perfectly except for one small thing. There is suppose to be the possibility for the person to not enter a middle name, … |
| | I want to make a GUI application in which I want to do something continuously (i.e. in while loop) in a different thread, until the user presses a button. In this other thread, I am accessing GUI elements and hence I have to use [B]SwingUtilities.invokeLater()[/B] for this thread. But since … |
| | hi i am having problem with the while loop termination. totally newbie......can you help me terminate the loop .... output [CODE] import java.io.*; public class MohsinKPA4 { private static double num1; private static double num2; private static String Snum1; private static String Snum2; private static double ans; public static void … |
| | Hello all! I have an assignment to convert an infix expression in to postfix and I have to use an array rather than an actual stack, which I believe is the typical to do this process. I keep running into a problem when parentheses are in the expression and the … |
| | I need to finish it ASAP 1. Read students’ marks and Name: for each student read his/her name and then read his/her marks (first-test mark (/15), Mid-term mark (/20), Lab-test mark (/15) and Final mark (/50)).Store these data in two-dimensional parallel arrays: NAMES, MARKS. 2. Calculate the total mark for … |
| | Hi All, I am trying to extract a full path from a certain environment variable. What if there is an environment vaiable called CATALINA_HOME how can I extract a full path of the environment from java? I am trying to use a filewriter object to create a file, for example, … |
| | [CODE] import java.awt.*; import java.awt.event.*;//for specifying windows events import javax.swing.*; import java.lang.*; public class FrontE implements ActionListener,Runnable { JTextField jav,it,c; Frame f; JButton Submit; int aa,bb,cc,tot; float avg; FrontE() { f=new Frame("Progress Calculator"); JLabel l1=new JLabel("Enter the marks here:"); f.add(l1); Panel p=new Panel(); Panel p1=new Panel(); JLabel java=new JLabel("Java"); jav=new … |
| | can someone help me add a another class in this code i got this code in this site, but i need to have at least 2 class |
| | Hi Guys, I've got a problem where as I attempt to output, i get thrown a Null Pointer Exception. I can read the values for [B][I][U]orders[0][/U][/I][/B] but nothing after. The DB is intact, and i get thrown the results as per the query generated in my code, so thats not … |
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