3,978 Topics
 | |
| | Hi Guys Just starting to make my first java game, im getting a few errors. Im just trying to figure a few things about about the game loops before i get started and this is driving me crazy when i just call the renderer to repaint after i initialize the … |
| | hi pple I am building this electronic role using an interface. during the course of designing the interface, tried running it just to see the look and feel of it and it is not showing can someone tell me why this happen. here is the code. havent start coding it … |
 | Hi, first timer here so sorry before hand if I forget to mention something. My code run the window fine but when I hit the calculate button I receive an error message. Firstly this is my code package Chapter12; import javax.swing.*; import java.awt.event.*; public class TheaterGUI extends JFrame { JTextField …  |
 | Good man James helped me learn die roll board game programming in Java, and I applied it on Ladders and Snakes. Made one in Java. Now I'm learning to do it in Android. Here's the question: Making simple Ladders and Snakes game. Can't use those in Google Play, they don't … |
| | hi this is one of my assignment that I have to do. it is a triangle calculator. everything well with it but it just the calculation. when I run it, it gives a zero output. I think it may be my calculation. can someone take a look at it and …  |
| | hi james cherril I am doing a voting system application of which I have to hand up today. I am getting a runtime error when I entered a record and try to save it. as I entered one record and when the save button is pressed it give me a … |
| | Good day to everyone. I need help. Have to make more of these and need someone to show me how. My code doesn't work the way it should. It would have to * wait for you to click jbutton and then: - disable jbutton - roll die, then start timer … |
 | Hi everyone, I am having some problems with this problem. I know I am almost there but I think I am not quite getting it. I get this error when I run it. Exception in thread "main" java.lang.NullPointerException at Newspapers.Subscribers.main(Subscribers.java:14) Can you guide me to the right direction. Thank you. …  |
 | Yes i do know this have been posted atleast two times before, but i can hardly get anyhelp out of it. So back to my post, trying to figure out what i am doing wrong, and why my class wont compile. So i am not really sure what to do, … |
| | hi I am trying to build a triangle calculator that can tell you if you can form a valid triangle, I have reach the calculation part as yet just the part of the gui and that is the part with the error. something is wrong and i cant seem to … |
 | I have multiple JSpinner which have items 1-10 , and one JTable. When the JSpinner is clicked, the value will be added to JTable. I want to get the row number so I can use it at setValueAt. But I get error when the JSpinner clicked more than once times. … |
| | /** * Help me to solve this one * * The input for input dialog should appear at right textfield * * ex. your firstname? >>> john * john should appear at the textfield label firstname */ import java.applet.*; import java.awt.*; import java.awt.event.*; import javax.swing.JOptionPane; public class Info extends Applet … |
| | In my Food Tab, I wanted to achieve this [Click Here](https://sfault-image.b0.upaiyun.com/358/064/3580648794-597611aa1f701) But I only able to get this [Click Here](https://sfault-image.b0.upaiyun.com/779/111/779111227-5976120f6955a) How can I increase the width of the JTextField which are in Food Tab ? Below is my code public class FoodOrdering { static private JFrame frame; static private JTextField … |
| | I want to crop an image manually using the mouse. Suppose the image has some text, and I want to select some text from an image, then for that purpose I want to crop that area by using the mouse.  |
 | Can anyone guide me to find a way to convert swing application to Android app. If we just create the gui using xml is it enough to take the working code from the previous swing application to run on Android |
 | Hi Guys Im A Noob, so i need your kind perception on my code Im running A Table Anytime i do it i get this message Exception in thread "AWT-EventQueue-0" java.lang.UnsupportedOperationException: Not supported yet. And this is My Table Code: private void tablaLISTADOMouseClicked(java.awt.event.MouseEvent evt) { // TODO add your handling … |
| | [CODE] import java.awt.*; import javax.swing.*; import java.awt.event.*; class log extends JFrame { JButton b1=new JButton("ok"); JPanel panel=new JPanel(new GridLayout(2,2)); public log() { panel.add(b1); add(panel,BorderLayout.CENTER); b1.addActionListener(new ActionListener(){ public void actionperformed(ActionEvent ae){ JPanel pan=new JPanel(); JFrame frame1 = new JFrame(); JButton b2=new JButton("ok"); pan.add(b2); frame1.setVisible(true); frame1.add(pan); frame1.setSize(250,100); b2.addActionListener(new ActionListener(){ public void actionperformed(ActionEvent …  |
| | How to convert a swing based application to Android application  |
 | i have wrote this program which uses binary search to search for a desired word and which displays the word along with the meaning of that particular word.but each time i print the data that the arraylist contains it just print the word being search but not the meaning of … |
| | Hi all, I have a class CAR.java public class CAR { private int ID; private String model; public CAR(int ID, String model) { this.ID = ID; this.model = model; } public int getID() { return ID; } public void setID(int ID) { this.ID = ID; } public int getmodel() { … |
| | below is the code i have and i am getting an unhandled IOException in the inputstreams: import java.nio.file.*; import java.io.*; import static java.nio.file.AccessMode.*; import static java.nio.file.StandardOpenOption.*; import javax.imageio.ImageIO; import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.util.*; public class FinalProject extends JFrame implements ActionListener { JLabel guess = new JLabel("Guess the … |
 | I need to separate the questions to atleast up to unemployment and after clicking the button it will go to another page and it resume the user from answering the question.. Thanks in advance.. <?php include('connection.php'); ?> <?php session_start(); if(!isset($_SESSION['id']) || $_SESSION['privilege'] != 'user'){ if(session_destroy()) // Destroying All Sessions { … |
 | Instructions are in the image above. This is what I have now. Everything is done except the last part where if you click Yes the program is supposed to continue with other calculations. This is where am stuck. import javax.swing.JOptionPane; public class OPTIMA2 { public static void main(String[] a) { … |
 | 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 everybody I am currently creating a simulation of a pizza ordering system in object oriented program. I have some question. the instruction and guideline is long but I will try and cut it down a lot. the instruction is to create a program that simulate a pizza restaurant using … |
| | Hello :) This is my first post. I haven't done a Java type program in a while (2-3 years). I am trying to write a simple program which displays a window with 5 buttons. When you click either the first or second button it should open another window within which … |
| | I am trying to generate a random image everytime someone clicks spin. I am not able to generate a random picture. Some help would be really nice. Thanks in advance. Here's my code so far : import java.awt.*; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.util.Random; import javax.swing.*; public class Gui { …  |
| | Hi guys. So I'm building this code in java using NetBeans and literally this code has been working fine the entire time. I haven't changed anything about it and now it's giving me an error and I can't find out what's wrong. Can you please take a look for me? … |
 | the code below is working, but it is displaying only one image in a blank page where there is no css I want it to display all the image in a table. please help me... <%@page import="com.sun.javafx.tk.Toolkit"%> <%@page import="java.awt.Image"%> <%@page import="javax.swing.ImageIcon"%> <%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%> <%@page import ="java.sql.*" … |
| | Question: Estimate the time it will take to cut the grass of five clients. Given the length and width (in meters) of a rectangular yard and the length and width of a rectangular house situated in the yard, compute the time required (in minutes) to cut the grass at a … |
| | I made a client server program to send an image from the server to the client. The image is being sent being but its not showing up in client window immediately. If i click send on the server then i minimize (or maximize) the client window then open again the … |
 | Our company is developing a large, database (MySQL) system on top of the Netbeans RCP. This is a Java Swing GUI based application. We want to take advantage of Rich Client Platform to develop the "Government Platform" and use its module project type to develop the "Government Modules", essentially Java … |
 | Hi all, I'm new in this forum and also completely newbie in Web development-so please forgive my lack of knowledge.. I'm modifying a Web template and I've inserted images slide on banner. I reduced images width to fit the size of the site width but still not responsive on others … |
| | Hi guys. I'm working on my school project. My asigment is to make a piano game. The program works fine but my work stopped when i came to a problem. I would like to put the integers, which i get from pushing the specific JButton, into an array. For example …  |
| | Hello there I am currently just making a sample website to try and get back into the swing of things but I am encountering a problem with one of my divs. The div giving trouble is the leftContent div. I want to set the height of it to fit the … |
 | Chaps, I wonder if you can give me a hand with this. Here's the brief: "Create a program that draws 10 random filled shapes in random colors, position and sizes. Method paintcomponent should contain a loop that iterates 10 times. In each iteration, the loop should determine whether to draw …  |
 | Hey new to JDBC SQL DERBY and Java so I don't know why but my Jtable only shows the columns. Here are my codes for my LeaderboardDAO class. public class LeaderboardDAO extends Dao { private static final Logger LOG = LogManager.getLogger(PlayerDAO.class); public static final String TABLE_NAME = "leaderboard"; private static … |
| | Hi, I have problem I can't add to the JTable new row (public void addRow(ArrayList<Object> newRow)) from the other class with action of the button Main.java import com.sun.javaws.Globals; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.sql.ResultSet; import java.sql.ResultSetMetaData; import java.sql.SQLException; import java.sql.Statement; import java.util.ArrayList; import javax.swing.event.TableModelEvent; import javax.swing.table.AbstractTableModel; import javax.xml.bind.annotation.XmlElementDecl; public class … |
 | Hi,all .How would i make client/server app,to calculate surface area of the cylider. The server must read the cylinders radius and length from the client and calculate the surface area of a cylinder. The server will then return a double representing the surface area of a cylinder to the client. … |
| | Hi All, How can i get the swing/awt open and save dialog boxes while accessing from the client side ??? |
| | There are 3 JTextfields that are supposed to display info in each one after you click List Info and brings you to a new GUI and you automatically see the info in the JTextFields, but it's not displaying anything. Also I'm using Eclipse and SQLite Manager if that helps. Iogin, … |
| | somebody help me with this please package py.com.sistemas_ventas.view; import java.beans.Beans; import java.util.ArrayList; import java.util.List; import javax.persistence.RollbackException; /** * * @author Mirtha */ public class DepartamentoView extends javax.swing.JFrame { /** Creates new form DepartamentoView */ public DepartamentoView() { initComponents(); if (!Beans.isDesignTime()) { entityManager.getTransaction().begin(); } } /** This method is called from … |
| | When mario collide to the wall .. I want to go back to the flappyMario class and dispose the Game Class .. but dispose won't work .. I really appreciate if someone help me about this problem. Here is my Code import java.awt.Component; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.Toolkit; import … |
| | I know this is really messy code but I am writing a Paint app in Java for a class and I'm getting an ERROR when I drag the mouse. MousePressed works properly (prints). MouseDragged, however, throws a NullPointerException. Please let me know what the problem is here. I'll put a … |
| | The eror says: llegal static declaration in inner class Question1.Question1Listener modifier 'static' is only allowed in constant variable declarations ---- /* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the … |
| | Hi everyone, I am trying to make a user login page. The user is required to fill username and password in textFields and when he clicks the Submit button, all details are needed to be written in the database. import javax.swing.*; import java.sql.*; import java.awt.*; import java.awt.event.*; public class register … |
 | Flickering occurs when Active Rendering with JPanel, not sure why as I've done this before (couldn't find source code of that project however). Relevant Code: Graphics g = projectDCWindow.getWindowGraphics(); // Gets the Graphics Object from a JFrame g.setColor(Color.BLACK); g.fillRect(0, 0, (int) ProjectDCInfo.getDefaultWindowSize().getWidth(), (int) ProjectDCInfo.getDefaultWindowSize().getHeight()); // Clears the screen projectDCGSM.get().render(g); // … |
 | package com.company; /** * Log Nazi -- Created by Steven Richardson on 2/2/2016. */ import javax.swing.*; import java.io.*; import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.Date; import java.util.List; import java.util.Scanner; /** * Created by Steven on 1/29/2016. */ public class LogReader { // declare variables static String theFile; static int rows = … |
| | Hi, I need to complete this assignment. Everything seems to work except I need to output "T" and "H" along the dashed lines (respectively) everytime either the Tortoise or the Hare moves. Here is my code, thank you in advance. import javax.swing.JOptionPane; public class Tort { public static void main(String[] … |
| | I basically am working on a final project for JAVA and I cant figure out how to move the strings into the paint class. Here are my 2 codes. import java.util.Scanner; public class FinalProjectQuestions { public static void main(String []args) { Scanner in = new Scanner(System.in); System.out.println("We will design the … |
The End.