35,618 Topics
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| | I have been alerted o the fact that there are "security issues" with Javascript, but have no idea what the issues are. I have written a webpage in HTML which incorporates a menu written in Javascript. A user alerted me to the fact that the menu does not appear with …  |
 | Hello i have an other code that bother me because i am confused what i should do take a llok to the questions first: **Example 2: The GradeBook Class: Consider the attached GradeBook class. Complete the following tasks: 1-Modify the determineClassAverage method so it allows the user to enter the …  |
| | hi, does anyone know how to insert a background picture to a JPanel? I have googled around, found something seem more difficult than it should be, and a simple one as below but not showing the pic. [code] midBoard = new JPanel(); JLabel pic = new JLabel(new ImageIcon("Sunset.jpg")); //midBoard.setBackground(java.awt.Color.RED); midBoard.add(pic); … |
| | I'm trying to implement Callable for Strassen's algorithm to multiply two matrices. I'm new to this, and i'm having a few issues and I can't figure it out for the life of me :( . The first problem is that the program prints out 0 for all the elements of … |
| | Hi i have other problems in other class the questions is ** The Person class Create a class called "Person" that includes three pieces of information as instance variables: a name, address, and age. Your class should have a constructor that initializes the three instance variables. Provide a set and … |
| | Hello everyone, I have a reall small questions and i am stuck in the end of my code. I need just someone explane it to me please or maybe i am confused. Take a look... Questions: **Create a class called "Employee" that includes three pieces of information as instance variables: … |
 | Hi guys, as I have never used any design pattern I thought I might try to learn something by developing a small application. What I'm thinking is something like a radio controlled car simulation - I mean a really really simplified version of it of course - something like creating … |
 | Hello everyone, I have a simple JSP, with a text input and a submit button, as follow: <form accept-charset="UTF-8" method="get" action="<%=request.getContextPath()%>/someAction"> Enter Search: <input type="text" name="keyword"/><input type="submit" /> </form> And in my Servlet, I am reading the input, as such: String word = request.getParameter("keyword").trim(); System.out.println("Keyword: " + word); The input … |
 | I've been googling and going round in circles, simply put: when the button is clicked i want an image of a card to appear. [CODE]class Actions extends JFrame implements ActionListener { JTextArea textarea = new JTextArea(2,25); JButton twist = new JButton("Twist"); JButton bust = new JButton("Bust"); public Actions() { super("Twist …  |
 | Have an online app "keepCalling.com" that allows one to make calls to land lines over the internet. Has worked for years but now I find that new devices after java installation are not recognized by the online app. Looking for a way to generate reports for what might have failed. …  |
| | I have been comparing a Java GUI program's start time to both native apps and another Java based app, and I have concluded that my program is launching a little too slowly, or at least a little slower than I would like. I think it's taking too long to load … |
 | Hi, I have a view say a Button, i made a border for it in a paint application, now i wwant to use that border as the border for my button, how can i do that in such a way that it looks well on all screen sizes?  |
| | What does mean by saying polymorphism allows programming in general rather then programming in specific? |
 | The following code will allow me to add a table row line and I can add the starting amount with the first amount input into the first row, but if I add a row and enter in an amount I want it to add or subtract that as well. Thanks …  |
 | Hola people :D So now that my holidays have begun... I'm bored :P I have decided to make random stuff with Java. So till now I have upgraded my checkers game (added high scores, color 'themes' for the board, etc.), made a music player kind of thing (used JFileChooser and …  |
| | public static void main(String[] args) { System.out.println(" Enter a terminating value "); double term = IO.readDouble(); System.out.println(" How many numbers will you enter "); double numbers = IO.readDouble(); //reading the value of how many numbers the user will enter System.out.println(" What is the largest number you will enter ?"); while(numbers<1){ … |
| | Dear contributers of Daniweb, Currently I'm working on an Android/Java project, where I'm running into a problem with the following code. private List<Property> filteredList; private List<Property> propertyList; public List<Property> getPropertyList() { Boolean useFilter = false; if (!filter_town.trim().equals("")) useFilter = true; if (filter_bedrooms > 0) useFilter = true; if (useFilter) { … |
 | Hi! I have create a simple desktop application (CRUD operation) using java derby by using the library "derbyclient.jar" I want to deploy it on another computer which not have netbeans IDE installed. I ''clean and build '' the project and a jar file created in dist folder of my project … |
 | how do i implement multiprogramming using fixed partition? Thanks.. |
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| | Hi Everybody ! I'm using Apache Axis to invoke web service from internet. I can access a web service wherein no input parameters are required , but whenever I have to pass input parameters, I can't invoke it. Can somebody help me to figure out the problem. Here is my … |
| | #Tutorial - Content extraction using Apache Tika From the official website: > The Apache Tika™ toolkit detects and extracts metadata and text from over a thousand different file types (such as PPT, XLS, and PDF). All of these file types can be parsed through a single interface, making Tika useful … |
 | I am a beginner and want to develop a stock analysis software just like yahoo finance interactive charts. How and where to start. Is there any existing library I can use?  |
 | the text file has more than one word. the user to put the input from the jtextfield and get the input related word from text file, to display the jlist how |
 | package hw2; /** * This class encapsulates the logic and state for a simplified * game of American football. * * @author YOUR NAME HERE */ public class FootballGame { /** * Number of points awarded for a touchdown. */ public static final int TOUCHDOWN_POINTS = 6; /** * Number … |
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| | how to export my table data which is in mysql database to a csv file I am not getting any error or exception but my csv file is empty after successful running this code. code what i did: import java.io.FileWriter; import java.sql.Connection; import java.sql.DriverManager; import java.sql.Statement; import java.sql.ResultSet; import java.sql.SQLException; …  |
 | I want to convert my python code in JAVA. Please help |
| | Hello everyone, I am new to Regular expression, and would like some hints, please if someone can direct me to right place. I have a bunch of files in a directory, and i need to rename them based on certain pattern. I think I need to use regular expression to … |
 | Hello Sir, I am developing social networking website using jsp and servlet . I have created login page using mysql but now i am not able to make posting status and commenting system on that post.Please provide me solution. thankyou aayush |
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