35,619 Topics
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| | Hello, We are trying to develop a chat client program in a computer science class, but we are running into this error [QUOTE]Invalid reference in inner class to a non-final local variable [/QUOTE]. The chat client will send the users' text to a text file and then read depending on …  |
| | What I need is to have the same GUI stay, but when the person goes to the menu and selects Editors > NPCSpawner, I need it to change from the default interface that's there (NPCSpawner interface) to the Other GUI (yes, it's called "Other"): [CODE]import org.rsbot.script.*; import org.rsbot.script.wrappers.*; import java.awt.*; … |
| | hi sir......... wil plz send me a project on inventory managa mant system  |
| | 1. variables defined with default visibility can be seen by code in classes in the same package. 2. Every class must have a main method 3. Statically declared variables are instance variables 4. All objects use the same value for class variables 5. Set methods require a parameter 6. Primitive … |
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| | Well I am totally new to java web development how can I create a simple web app that reads and writes to a database? steps tutorials please. Remember I have absolutely no experience on this. I have read several tutorials but with so many ways and they are mostly difficult … |
| | I have a jsp form with 3 buttons (New/View/Edit). On clicking New..it should open another jsp form with some input field. On clicking View..it should open the same jsp form with input field as readonly on clicking edit..it should open the same jsp form with input field pre-populated.. can i … |
| | Hi all, I am doing a small project which needs Tab control in JSF page.. so i went for MyFaces Tomahawk. While using it I experience a different error. While using components like Input Calendar, Input date etc, Its working Fine.. But while using TabbedPane It throws me an excpetion … |
| | hi i am working on gridview and i want to show my data in gridview on button click by applying java script. so When i show data without applying java script the gridview is visible and as i apply js the gridview becomes invisible while using other controls with the … |
| | I am trying to fill up the array den and it is giving me java.lang.NullPointerException Why is that Thanks [CODE]public static void main(String[] args) { Scanner input=new Scanner(System.in); System.out.print("Enter an amount:"); float amount= input.nextFloat(); int denom, i=0; int [] den=null; do{ System.out.print("Enter denominations: "); denom=input.nextInt(); den[i]=denom; i++; } while(denom!=0);[/CODE] |
| | What is the best book to learn java programming? I want a beginners book in java programming, I know very little as I did a short course in school. I know visual basic programming and a few other programming languages already, and now want to learn java programming. If you … |
| | Hi All, I'm trying to compile an xsd schema using xjc compiler following the command java -jar jaxb-xjc.jar <schema file>.I've set the classpath of these following jar files jaxb-api.jar jaxb-impl.jar jaxb1-impl.jar jaxb-xjc.jar sjsxp.jar jsr173_api.jar activation.jar resolver.jar. It is showing IllegalArgumentException |
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 | [B]Question:[/B] Write a program to read in a sentence. Output the sentence and then sort all letters in descending order. Allow users to enter a letter and output the letter with the number of occurrences of that letter, or else indicate that the letter is not found. [B][COLOR="Red"]Use: "I compute … |
| | Hello all in my jsp i am using the below tag for label purpose [CODE] <% Random r = new Random(); String token = Long.toString(Math.abs(r.nextLong()), 36); String bgColor = request.getParameter("COLOR"); String ch = token.substring(0,6); %> [/CODE] <s:label name="formName" value="Employee"/> i want to use this tag as below.. <s:label name="formName" value="<%=val>"/> … |
| | I want to combine a console application with a GUI in netbeans.I tried to do it using a jButton.I want to get the output of the console application into a jTextArea.There is a function called private static void printBytes(byte[] data, String name)in the console application.when calling that function have to … |
| | For those of you who have noticed the missing JLS, here's a [URL="http://jls3.ru/j3TOC.html"]mirror [/URL]that I found (through Stack Overflow). I'd like very much to know where it's gone, if anyone has any good information... |
| | Hey everyone. I have been playing around with this code and have been getting this error message: Exception in thread "main" java.lang.StringIndexOutOfBoundsException: String index out of range: 7 at java.lang.String.charAt(String.java:686) at PhoneNumber.main(PhoneNumber.java:37) Java Result: 1 BUILD SUCCESSFUL (total time: 8 seconds) I understand what the java.lang.StringIndexOutOfBoundsException means but I don;t … |
| | can we generate a MAC for a text file in javax.crypto and generate a MAC stored in a String variable?????????????? |
| | Hi, I need to give space between words in the following statement [code] r+='<option onmouseout="tooltip.hide();" onmouseover=tooltip.show("'+""+data_eval.data[t1].TECHNOLOGY+"-Technolgy_is_available_for_Project-"+data_eval.data[t1].PROJECT+"/Operator-"+data_eval.data[t1].Operator+"/Country-"+data_eval.data[t1].Country+"/Region-"+data_eval.data[t1].Region+'") value="'+data_eval.data[t1].TECHNOLOGY+'">'+data_eval.data[t1].TECHNOLOGY+'</option>';[/code] It is a tooltip. Thanks  |
 | I have a menu that I made, and the first time you select a program prom the menubar and click the launch button it launches the program, however when you select a different program, or to to the menu and reselect the same program then click launch it opens 2 … |
 | Hey guys for some reason my code displays in the applet viewer in jgrasp and in eclipse, but for some reason it wont display via an html file in any browser. Any Ideas? Thanks in advance. [CODE]import java.awt.*; import java.awt.event.*; import javax.swing.*; import java.applet.*; public class FamilyTreeTabbedPane extends JApplet implements … |
| | Hi everyone, I have two questions: Q1: I need to design and implement a simple web interface which works as a browser in which I should pre-process the page before it's displayed and mark up (highlight) some specific words? How can I do that? Q2: I need also to design …  |
| | Hello all, following is my jsp file names register.jsp [CODE] <%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%> <%@ taglib prefix="s" uri="/struts-tags" %> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>Registration Process Form</title> </head> <body> <s:form action="registeraction" method="post"> <s:label name="formName" value="Employee Registration Form........"/> <s:textfield name="username" … |
| | Hello All, I am fairly new to Java programming (only a couple of months) and completely new to graphics in Java (couple days). Below is the relevent paintComonent function I wrote. Basically it draws a circuit based on a few member variables. This part works fine. The problem I am … |
| | Hiii All :D How are you doing ? i'm such a beginner in Java ! however , i made this code i don't know how much professional is it but , I need to use Jfream when I deal with user and Jframe to print wherever I'm using JTable ! … |
| | My MASKFORMAT is "##:00" which allow rounded hours but can I include that ## can only contain [0-23]? what would that code look like? [code] private PropertyChangeSupport propertySupport; public static final String PROP_TICKING_PROPERTY = "clock is active"; //public static final String MASKFORMAT = "##/##/#### ##:##:## UM"; public static final String … |
| | I am facing problem in storing an image file into sql server. Following is my jsp page form tag which calls a servlet which has the storage code.. [CODE] <form name="form" action="NewServlet" method="POST" enctype="multipart/form-date"> <input type="file" name="file" size="20"> <input type="submit"> </form> [/CODE] here is my servelt code for the same … |
 | I have developed a program where I do some database connections and send some queries with JDBC to MySQL database called ANU. I have used NetBeans 6.9 under Ubuntu 11.04 as platform. When I run the app from NetBeans, it works perfectly but when I try to run it from … |
| | hi all plz i need java code to read avi header information such as frame rate and hight and file size tks |
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