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I was doing GUI based application, when i run the MyChatPage particularly, it able to send the text to the server and send to the client textarea, which is my objective, but if i run from MyChatIP class and create new object to open the MyCHatpage frame, it will hang, … |
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[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 … |
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The problem asks: Write a program that prompts the user to enter an integer from 1 to 15 and displays a pyramid, as shown in the following sample run: Enter number of lines: 7 [CODE=text]......1 .....212 ....32123 ...4321234 ..543212345 .65432123456 7654321234567[/CODE] (except the example given shows spaces in between the … |
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hi, I am having a problem with adding button on jTable for each data I get from the database. here is what I get from database in SQLite try{ String sql = "select ClassName as 'Class Name', NumberOfStudents as 'Number of Students' from ClassRooms"; pst=conn.prepareStatement(sql); rs=pst.executeQuery(); Data_Table1.setModel(DbUtils.resultSetToTableModel(rs)); if(rs.next){ //code to … |
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Dear Listers, I have create a project in java using netbeans. Have designed the user interface where I have a jtable and a button. When i created the interface it automatically populated the code and I have done nothing When i click the button it shoiuld call the class to … |
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Hi! I'm sitting with a gui bug that I have been stuck with for a while. When a "view" is changed from one "view" to another, the new "view" doesn't get painted properly. The previous view is visibile randomly in the background. I can't reproduce this in the dev environment … |
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I'm curious, when setting the default close operation for JFrames, should you use JFrame's constants or WindowConstants' constants? As far as I can tell they're the same. Although, IntelliJ (not tested on other IDE's) prefers WindowConstants' EXIT_ON_CLOSE at least. So basically my question is, which one should be used? Which … |
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Hi , Can anyone point me to fillPolygon source code , In Graphics.java it is declared as abstract class . - Nataraja G |
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Hi I am new in java. I am trying to get the stored date in the database and display the same in jdatepicker in frontend. But I failed. Can any one of you suggest how to do the same. Regards Sandeep |
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Hi All, I have a problem in my jdialog(child) and the parent frame is jframe,it is taking two events to close the jdialog,both from the close caption available at the upperright corner of the dialog,as well as from the button add where i have used dipose() to close on single … |
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I'm trying to show a user JOptionPane where they enter x and y coordinates each in their own textfield, but I don't know how to store user input as ints. So I need to do something like: int xCorFromUser = xCor; int yCorFromUser = yCor; I have this code so … |
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i want to get sum of jtable column n that value display in a jtextfield. so what is the code for that? |
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Now am using substance look and feel version 5.3.I want to upgrade the it to latest version 7.2.1. I need to know what is the new features in new version and difference between 5.3 and 7.2.1.why we need to prefer the new version. |
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I need to fill an image created using a ton of QuadCurves, but they don't fill it all the way using the traditional fill method. Any suggestions? public class MonstercatComponent extends JComponent{ public void paintComponent(Graphics g){ Graphics2D g2 = (Graphics2D) g; drawGrid(g2); g2.setStroke(new BasicStroke(5)); QuadCurve2D earLeft1 = new QuadCurve2D.Double(145, 155, … |
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I'm making one of those puzzle games that has the empty tile which you need to slide them around to finish the picture. When I refer to the "Active Tile" I'm referring to the tile that's empty on the board. I'm changing the position of the active tile and the … |
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I do not know if this will be of use to anyone but i thought i would just leave it here because i saw a thread where someone asked how to determine if more than one button on a mouse is being pressed and this code below checks to see … |
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Hello, I try to rename file or directory using JFileChooser() and JButton(). But it gives me a NullPointer exeption. I have FileChooser, Button and TextField where I write new name for my file or directory. Can you say where I go wrong and how to solve this problem. // button … |
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I'm painting a grid on the JPanel and trying to scroll the grid with a JScrollPane. I have a feeling the scrollpane is getting the actual size of the panel, instead of the size including what is not being shown. Something along those lines at least, I can't quite wrap … |
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So, I've written a Custom Binary Format outline but I'm not sure how to translate it to code. I was looking for a few tips on where to get started? Here's my outline. MAPDATA { signature // U24 0x4D, 0x41, 0x50 (MAP) version // U8 0x01 width // U16 (MAX … |
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Hello im a total noob in java, im learning game development, i made this game and when i thought i was finish i tested in another android with a smaller screen and puf all the game was ugly. I started rezing evrything by screen width, example batch.draw(position.x, position.y,Gdx.graphics.getWidth()/7, Gdx.graphics.getWidth()/7 ); … |
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Hey everyone! I have to write a program that generates random shapes in a window, but when the window is resized the program can still remember the shapes and redraw the same ones. My code so far draws the random shapes, but when I resize the window, the shapes change … |
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Greetings! I'm reviewing Java, in an effort to enhance my programming skills. I'm utilizing the book "*Teach Yourself Java in 21 Days*" and I'm currently learning about Java Web Start. I'm not sure I full understand how I'm supposed to use Web Start (based on the samples in the book) … |
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I want to remove the first line in jtextpane and setting setContentType("text/html") at the same time. setContentType("text/html"); Element root = getDocument().getDefaultRootElement(); Element firstLine = root.getElement(0); getDocument().remove(firstLine.getStartOffset(), firstLine.getEndOffset()); When I use setContentType("text/html") in the code it does not remove the first line. |
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package filehandling; import java.awt.event.ActionEvent; import java.io.*; import java.awt.*; import java.awt.event.ActionListener; import javax.swing.*; public class Filehandling extends JFrame{ JTextArea ja; JButton jb; Filehandling() { setBounds(400,400,400,400); setTitle("azeem"); setVisible(true); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); Container cont= getContentPane(); ja=new JTextArea (); cont.add(ja,BorderLayout.CENTER); JPanel jp= new JPanel(); jb=new JButton ("Save"); jp.add(jb); cont.add(jp,BorderLayout.SOUTH); setVisible(true); } public static void main(String[] args) … |
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hey all I have a program to write and I need to use the JOptionPane dialog box to use JOptionPane to say Yes_No_Option, all I would like to know what is the code to be used , how does it work and will it work in a program. |
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I have a JTable that a user can input data. I have an image that I would want to put at the top of my page when printed and also another image that I would want to work as footer. How do I print these on the same page including … |
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I have a JTable that has four columns. In the second column I have assigned a JComboBox to be the cell editor of my column.The problem that I encountered is that I cannot handle the combobox the way I want. **What I want is that after a user select an … |
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Here my code. package formsign; import java.awt.*; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.ItemEvent; import java.awt.event.ItemListener; import javax.swing.*; public class textF extends JFrame{ private JTextField fname; private JTextField lname; private JPasswordField pass; private JTextField country; private JTextField zip; private JTextField month; private JTextField day; private JTextField year; private JTextField phone; private … |
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Hello everyone, I have my code that is supposed to append an empty row to a table at runtime when a user presses the enter button. The code is working fine. here is the code if it helps: table.addKeyListener(new KeyListener() { @Override public void keyPressed(KeyEvent e) { if (e.getKeyCode() == … |
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Can someobody tell me why i only see blank window. import java.awt.*; import java.awt.GridBagLayout; import java.awt.event.ActionEvent; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JTabbedPane; import javax.swing.JTextArea; import javax.swing.JTextField; public class dic extends JFrame{ public JLabel label1,label2,label3,label4,label5,titlel; public JTextField ew,fw; public JTextArea txar1,txar2; public JPanel … |