3,978 Topics
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| | I've created a gui for the day of the week program. The problem that I'm having is adding functionality to this program. I would like this program to allows a user to select a month and day from choice menus, and enter a year in a text field. Whenever the … |
| | import java.awt.*; import javax.swing.*; import javax.swing.table.DefaultTableModel; import java.util.Vector; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.text.MaskFormatter; import java.sql.*; import java.awt.event.MouseListener; import java.awt.event.MouseEvent; class MyFrame extends JFrame implements ActionListener,MouseListener{ Container c; JLabel lRollNo,lName,lAge,lMarks; JTextField tRollNo,tSName,tMarks; JTextField tAge; DefaultTableModel mStud; JTable tStud; JButton bAdd,bNew,bRemove; MyFrame(){ c=getContentPane(); setLayout(null); setTitle("My Frame"); setSize(800,700); setLocation(10,10); lRollNo=new JLabel("Roll no"); …  |
| | showing illegal start of expression in defining functions of mouselistener interface import java.awt.*; import javax.swing.*; import javax.swing.table.DefaultTableModel; import java.util.Vector; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.text.MaskFormatter; import java.sql.*; import java.awt.event.MouseListener; import java.awt.event.MouseEvent; class MyFrame extends JFrame implements ActionListener,MouseListener{ Container c; JLabel lRollNo,lName,lAge,lMarks; JTextField tRollNo,tSName,tMarks; JTextField tAge; DefaultTableModel mStud; JTable tStud; JButton …  |
| | Which compiler is needed for the following code? [CODE]import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.util.*; import javax.mail.*; import javax.mail.internet.*; public class Main extends JApplet implements ActionListener{ JTextField firstNameArea; JTextField lastNameArea; JTextField emailField; JTextField phoneNumber; JCheckBox myselfBox; JCheckBox someoneBox; JTextArea messageArea; public void init (){ setSize (250,300); setLayout (new BorderLayout … |
| | import javax.swing.*; public class NestedLoop { public static void main(String args[]) { for(int x=0;x< 5;x++) { for(int y=0;y<=x;y++) { System.out.print("*"); }// end innerloop System.out.println(""); }//end outerloop System.out.println(); }//end main }//end class |
| | Methods: public class metod { public static String computation1 { JOptionPane.showMessageDialog(null," Area of a Circle"); String n = JOptionPane.showInputDialog(null,"Enter a Number"); int num = Integer.parseInt(n); int form1 = (3.14 * (num*2)); JOptionPane.showMessageDialog(null,"… is "+form1); } public static String computation2 { JOptionPane.showMessageDialog(null,"… of a Trapezoid"); String h = JOptionPane.showInputDialog(null,"Enter Height"); int … |
| | I made this simple program for a 2 player TiCTacToe game. But It doesnt seem to be working properly. I cant understand whats going wrong here! Please help... [CODE]import javax.swing.*; import java.awt.*; import java.awt.event.*; public class MainFrame extends JFrame { JButton [][] buttons= new JButton[3][3]; JTextField statusBar; GamePanel panel; Integer … |
| | [code]/*jesse johnson Help.java csc 110 August 25, 2004 */ import java.awt.*; import java.awt.event.*; import javax.swing.*; public class Help extends JApplet implements ActionListener { // GUI Buttons JButton ifButton , ifElseButton , switchButton , whileButton , doWhileButton , forButton, clearArea; JTextArea output; JLabel statusBar; public void init() { Container container = … |
| | I am new to Java and as an exercise I am trying to develop the following: 2 JPanels on a JFrame where 1 of the JPanels can be used for drawing. I started from an example from Daniweb from 2010 but can't seem to get a graphic context because the … |
| | We have a problem similar to [URL="http://forums.techguy.org/all-other-software/947576-solved-java-applets-only-working.html"]this[/URL] Clean boot doesn't help and the unchecking of services doesn't help ether. We have a Java applet that's working correctly on xp but isn't working correctly on win 7. The applet runs and the browser asks you to accept the certifiket but the … |
| | Hi This is a code for placing a few labels. Now, I have a problem with my grid. I want the 0,0 point in the upper left corner but at the moment it is around the middle. Can someone help me please? [CODE]import javax.swing.*; import java.awt.*; public class test { … |
 | hello everyone! I need help....a prof asked for our help to create a simple program for her assignment but i am having a hard time doing it for I am still not an expert in java.....here is the scenario..... [QUOTE]You are about to go to the Super market and would … |
 | anyone have a link? I want to display data on the GUI that I made using NETBEANS.. I started learning java today, I got error non-static variable jTextField1 cannot be referenced from a static context. [CODE]Connection con = DriverManager.getConnection("jdbc:mysql://localhost/sample", "", ""); Statement stmt = (Statement) con.createStatement(); String select = "SELECT … |
| | :( Sorry the topic spelled incorrectly.. I can't edit it noe.. sorry for that Friends again need you so badly.. I'm developing my simple GIS application, actually here's what I developed so far.. [CODE] import java.awt.BorderLayout; import java.awt.Color; import java.awt.Dimension; import javax.swing.BoxLayout; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; … |
| | Hello friends.I got some problems with a program I'm developing for a assignment. I want to add a image(background) to my Jframe and add some buttons. I wrote the code. I can load image into the frame but when I create the Jbutton and re-size it to smaller button it's … |
| | Hey guys,when i go to enter the same account number as i am logged into as well as any other account and click ok the error message displays however it does not stop me from progressing to transfer money to myself. I have had a shot at it however as … |
| | Hi all, I really need your help on this as I am just learning Java. I do have an error message which says "cannot find symbol on line 23. Many thanks. [CODE] import javax.swing.JOptionPane; public class averageRainfall { public static void main(String[] args) { //declare variables String[] Month = new … |
| | any operation with text area is not working,,,cant find bug... [CODE]import java.io.*; import javax.swing.JMenu; import java.io.FileWriter; import javax.swing.JMenuBar; import javax.swing.JMenuItem; import javax.swing.JFrame; import javax.swing.JTextArea; import javax.swing.JSeparator; import java.awt.event.ActionListener; import java.awt.event.ActionEvent; import javax.swing.JScrollBar; //import javax.swing.JPopupMenu; import java.awt.Container; //import javax.swing.JFlowLayout; import javax.swing.JScrollPane; import java.awt.Color; import java.awt.Font; import java.awt.FlowLayout; import javax.swing.JFileChooser; import javax.swing.JColorChooser; … |
| | Hi, can someone help me? I have two Jframes: Frame and MainFrame. My problem is they both show at the same time. If the login is correct MainFrame opens and Frame closes. [CODE]import javax.swing.*; public class Main extends JFrame{ public static void main(String args[]) { //Frame Window /Login Window Frame … |
| | After login (if succeed) a user will see the result of statement "select test_column from table_test " execution. table_test is the only table of database 'test' which i have created in NetBeans 7.0.1. test_column is the only column. class '[B]MySQLTest[/B]' creates the gui for login , connects with the database … |
| | Hi everyone! I need some help in my programme. I have an error message: "error: int cannot be dereferenced" at line 134. Could you help me solve this problem, as I do not know what it means? Many thanks. [CODE]/** * @(#)PrizeCollection.java * * PrizeCollection application * * @author * … |
 | Problem: solve the following Source of SHORTEST DISTANCE path of A,B,C,D,E,F,G. I already did link the strings of dots of ABCDEFG and made a polygon which is the other objectives, my only problem now is calculating the source of the shortest distance part of A,B,C,D,E,F,G. Am using net beans. Guys … |
| | Good Day... the problem is that the Jbutton is not displaying in my Jpanel. can you help me, this will help me a lot, Thanks Here's the code [CODE] import javax.swing.*; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.net.URL; import javax.swing.JButton; import javax.swing.JOptionPane; public class GameBoard extends JPanel implements ActionListener { JButton … |
| | I have been playing about with some code tonight and trying to add things to it, so i know it wont make sense when talking about cats and dogs, females and males and music, I run this code and the GUI comes up I click add CD and the required … |
| | hi java professionals! i am building a system that require printing reports. i need small tutorial. besides if you gave an advice about how to form a report, that would be nice. thank you!  |
| | am try to create notepad in java... menu item actionlisteners are not working...except exit... what is the problem with my code??? and is there any sequence follow... because am try to use jScrollpane the text area will be blocked??? code is.. [CODE]import javax.swing.JMenu; import javax.swing.JMenuBar; import javax.swing.JMenuItem; import javax.swing.JFrame; import … |
| | I'm trying to make a simple text game just for fun. Java is a language I want to learn so making a game is a great start. I'm having problem with my if statement however. This is an example of whats happening. This is only a few hours into the … |
| | Hi there, I am supposed to make a Java programme called prize collection My programme is a follow: [code]import javax.swing.JOptionPane; import java.util.*; import java.lang.*; public class PrizeCollection { public static void main (String[]args) { // Declare variables and arrays which will be used in the programme String[] Name = new … |
| | Good Day! My professor in object oriented programming wants us to collect a JFrame form to a class.... he told us the code but it did not work...Hope you may help me...and thanks in advance [code]import javax.swing.JOptionPane; public class Firm { //---------------------------------------------------------- // Creates a staff of employees for a … |
| | Having some issues figuring out how to code my add, modify, search, delete, and save buttons in my program. The buttons need to also adjust the size of the array once I add or delete the an item. Any help would be great. I may be going about this the … |
| | Hi all, I'm doing a elevator simulation project but i met some issues. First, I wish to align my buttons on the left to the horizontal lines. I tried to setting setMinimumSize, setMaximumSize, setPreferredSize but it didn't help. Second, if I re-size the window, the buttons on the left seems … |
| | hi, am try to create a simple jar file... i got some error to run that jar file error =" Failed to load Main-Class manifest attribute from bala.jar" my code: [CODE]import javax.swing.JOptionPane; public class hello{ public static void main(String args[]){ String s= JOptionPane.showInputDialog("enter name plz...."); JOptionPane.showMessageDialog(null,"hello "+s); } }[/CODE] here … |
| | I'm trying to draw the rhombus into each grid section of the 3x3 square grid. Both the codes are pasted. I've tried various methods but could not succeed. Any insight on this matter is greatly appreciated. Thank you. [B][U]3x3 square grid[/U][/B] [CODE]import java.awt.*; import java.awt.event.*; import javax.swing.*; public class threebythree … |
| | I have a set of radio buttons.These radio buttons are associated with some questions for survey.I also have a Submit button.I want that as soon as I click the Submit button, the application should read the status of radio buttons.But I am unable to figure out a way of doing … |
| | I have been fighting this but I am not winning. So far I have looked up a ODBC JDBC connection string to connect to my simple database to java without any success. Firstly; I replaced 32bit MS Access 2010 with 64x one. Secondly; I installed all available updates sp1 and … |
| | can anyone help me correct and make my payslip work......how can I correct line 303,306 and 309.................. [CODE]import javax.swing.*; import java.awt.*; import java.awt.event.*; public class payslip3 extends JFrame implements ActionListener { private static int width=600; private static int height=300; private JLabel[] labelJL = new JLabel[18]; private JTextField[] textJT = new … |
| | Hey guys! I need help... I have a text field and table that I made on NetBeans. I'm working on GUI. Anyway, in this text field, the user inputs his/her name. And the user's name is displayed on the "User 1" heading of the table: [code] jTable1.setModel(new javax.swing.table.DefaultTableModel( new Object … |
| | Hi guys, what im trying to do is have a transfer function so that say for example i can transfer $100 from Johns account to Jacks account. Below is the code for the AtmDataFile Class and the ATMTransfer class.I would greatly appreciate some help on this project =). [CODE]import java.io.*; … |
 | I HAVE TRYING SPLASH SCREEN IN MY APP, BUT CANT GET THE BASICS YET.. SPLSAH SCREEN ISNT WORKING, CAN ANYONE GIVE ME A SIMPLE EXAMPLE hERE is my code. [CODE] import java.awt.Graphics; import java.awt.Image; import java.awt.Toolkit; import javax.swing.JWindow; public class introduction extends JWindow { private Image img; introduction() { setSize(128,128); … |
| | The Java code I am writing is required to have the first, next, previous, and last buttons, and my program still needs to sort. I believe there is something wrong in my codes for each button. I currently have this (of course with each "" for each button. Any ideas … |
| | I am having some issues with my Inventory Program and could use some help. I had the program working last night where my GUI would display the correct categories but today when I tried to get the restocking fee to add in to the value, I seemed to have messed … |
| | I am over my head in my current class and could use help or pointers changing the program I have written. It is a mortgage calculator and I have to modify it. My class texts seem over my head and I have to drive 20 minutes and use public internet …  |
| | Hi, i do have problem with event handling im done with layouting but the only thing i dont know is what methods of event handling should i use in my program [CODE]import javax.swing.*; import java.awt.*; import java.awt.event.*; import javax.swing.border.*; import javax.swing.ButtonGroup; public class Pizza extends Frame implements ActionListener,ItemListener { JFrame … |
 | I am trying to save an image with this line [CODE]ImageIO.write(image, "JPG", new File(fileDestination.getText()));[/CODE] but it is giving me an error. [CODE] java.io.FileNotFoundException: C:\Users\Adam (Access is denied) at java.io.RandomAccessFile.open(Native Method) at java.io.RandomAccessFile.<init>(Unknown Source) at javax.imageio.stream.FileImageOutputStream.<init>(Unknown Source) at com.sun.imageio.spi.FileImageOutputStreamSpi.createOutputStreamInstance(Unknown Source) at javax.imageio.ImageIO.createImageOutputStream(Unknown Source) at javax.imageio.ImageIO.write(Unknown Source) at screenCapture.CaptureScreen.actionPerformed(CaptureScreen.java:111) at javax.swing.AbstractButton.fireActionPerformed(Unknown Source) … |
| | I have made this screenshot program in hopes of eventually making a screen recorder, but I am having trouble displaying the image for the user to see. I currently have it so that it displays and saves. When it displays it is blank, but when it saves there is a … |
| | I used one action listener for an array of buttons that do different things. Exploring methods. I am fairly new to java. I just made a tic tac toe program. I am hoping for people to look it over and tell me what they think, ways to make it better, … |
| | 1)DEFINITION OF DATA REQUIREMENTS Produce an itemised consigment note for each customer including -dimension,weight and price per parcel. -total weight and price consigment -number of parcels RESIDENT DATA -up to 2kg-£7.50 -up to 4kg-£8.00 -up to 10kg-£8.55 -up to 12kg-£9.10 -up to 14kg-£9.70 -up to 16kg-£10.35 -for each extra 2kg,up … |
| | I need to know how I can set up a action listener for an array of buttons. I am trying to make a tic tac toe game. I am new to programming. I have seen someone on here ask a similar question but I could not grasp what they where … |
| | I have created my own payslip but then when I compiled it, they said that there are no more errors but I cannot view my output on the applet viewer............ is there something wrong with my code or is the viewer at fault here?? here is my code............ [CODE]import javax.swing.*; … |
| | I want to have two textfields which will have the following validations 1) Both should be Integers 2) The value in one textfield should be a integer multiple of other I have used two JFormattedTextFields to this. This is what i have done till now [CODE] NumberFormat updateFormat,sampleFormat; updateFormat = … |
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