Changing Of Font When Pressing JButton
Feb 14, 2014
I am having some troubles with a program fileviewer where you must be able to change font style and size when pressing JButton "Set font". I have solved the most of the program and every menu button is working but I don't know how to set in FileListener class method to change the font when running in main class. Anyway, this is my FileListener class
Java Code:
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.io.*;
import java.util.*;
import java.awt.Font;
public class FileListener implements ActionListener
[code]....
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Feb 25, 2015
i just started java and I'm trying to change the JLabel text by clicking on the JButton however it isn't working,
import java.awt.BorderLayout;
import javax.swing.JFrame;
import javax.swing.JButton;
import javax.swing.JLabel;
public class BorderLayoutJFrame extends JFrame
{
public static final int WIDTH = 400;
public static final int HEIGHT = 400;
[Code]...
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Sep 20, 2014
I don't get what I missed in the code. I used the example of changing the text of a button by clicking on it, but instead I also added a JLabel and tried to make the button change its text instead, but it didn't work. What did I do wrong?
import java.awt.event.*;
import java.awt.*;
import javax.swing.*;
class Buttone implements ActionListener{
JLabel label;
JButton button;
[Code] ....
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May 15, 2014
Problem: On the form window, after pressing the button, it doesn't give any error and doesn't give any output. It doesn't reply and i have to stop compiling to exit. Why does the IDE do that, is it about my Java codes or Form Window codes ? ( I have two classes named Lexical.java and window.java. Working with Eclipse)
Details: I am working on a project that makes Lexical and Syntax analiysis of commands written in SQL Language. My form is in the attachment. If will be necessary i'll put my codes too.
Attached image(s)
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Feb 19, 2015
It's very simple, I've added an AWT component/control (specifically a Choice object to a Frame. It's a pop-up menu by any other name.
Above the pop-up, there's a label. I'm trying to change its font to no success.
* I create Label object called label1: Label label1 = new Label("This is a pop-up")
* I create a Font object called f: Font f = new Font("Times New Roman, Font.BOLD, 18)
* I apply the new font to the label: (in AFrame's constructor) label1,setFont(f)
When displayed the label's font seems to be stuck on Arialor something similar. Changing the point size however does have an effect.
import java.awt.Choice;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
/**
* Defines a 'pop-up' AWT control that will be added to AFrame.
* It extends Choice - I may need extra functionality later.
*/
public class APopUp extends Choice implements ItemListener {
// instance variables
int noi; // no of items
String selected; // item selected from choice
[Code] ....
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Jun 6, 2014
So, Once again I'm attempting to make a Who Wants to Be a Millionaire GUI game. This is the actual game screen code
package WWTBAM;
import java.awt.BorderLayout;
public class GUIGame extends JFrame implements ActionListener {
public static int moves = 0;
public static boolean finished = false;
public static boolean correct = true;
[Code] ....
When ever try and change the buttons text outside of the actual GUIGame constructor i can't. Like in the main method or the action listener.
The code won't work if you copy paste because it's a part of a larger package.
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Apr 7, 2014
I am trying to have a Jbutton (blocker02) act like a wall that will not allow a moving Jbutton to pass through. I tried using " if (blocker02. getBounds (). intersects(r_wall)) but it hasn't been successful.
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.awt.geom.Rectangle2D;
[code]....
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Nov 18, 2014
Here's my code so far
import java.util.Scanner;
public class Program08
{
public static void main(String []args)
{
char q;
int quit = 0;
[code].....
I'm trying to get the code to repeat after the do part and before the while statement. Then press 'q' to quit the program. I had it right earlier by getting the program to repeat if you did a binary number, but I keep messing it up more and more.
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May 26, 2014
This is what i've done so far.
table.addKeyListener(new KeyListener() {
public void keyPressed(KeyEvent e) {
if (e.getKeyCode()==KeyEvent.VK_ENTER) {
model.addRow(new Object[]{"", "","",""}); } }
public void keyReleased(KeyEvent e) { }
public void keyTyped(KeyEvent e) { } } );
I've added JTable to JPanel and used DefaultTableModel. I have to add a new empty Row to table after i press enter key. But somehow I've not been successful so far.
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Oct 28, 2014
I am learning how to program in JAVA servlet+MySQL. Decided to make a simple program where it shows who is celebrating birthday today by retrieving data from database. At the moment I managed to get it working by loading a form.html and pressing the button in it which gets to the result.jsp and shows results there.
My plan was to get a list of people who are celebrating there birthdays initially when the website is loaded/being loaded, I mean when you enter URL into your web browser and you get it instantly in browser. Is there a way to do it the way I want (JAVA+servlet+MySQL) instead of pressing a button/link?
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Feb 25, 2014
I am new to applets and I am trying to create a program to display color and font. See my code below, I am getting some errors below.
import java.awt.Graphics; //program uses class Graphics
import javax.swing.JApplet; //program uses class JApplet
import javax.swing.JOptionPane; //program uses class JOptionPane
public class AdditionApplet extends JApplet
{
private double sum; //sum of values entered by user
private double average; //average of values entered by user
[Code] .....
java:11: error: cannot find symbol
Color skyBlue;
^
symbol: class Color
location: class AdditionApplet
java:12: error: cannot find symbol
Font sansFont;
[Code] .....
6 errors
Process completed.
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Apr 21, 2014
I am quite familiar with using JOptionPane and its various displayXDialog() methods and reasonably familiar with changing fonts.
I have a JOptionPane.displayMessageDialog() that is working fine but I decided to make the font larger.
I found an example from which I coded:
Font font = UIManager.getFont("OptionPane.font");
UIManager.put("OptionPane.font", new Font(font.getName(), font.getStyle(), 24));
font = UIManager.getFont("OptionPane.font");
JOptionPane.showMessageDialog(this, "Welcome to Mover", "About Mover", -1); // no icon
After the UIManager.getFont() call after the UIManager.put() call, font shows the new font size of 24, but the showMessageDialog() dialog still has the default font.
And yes I understand that, when this works, it will affect every JOptionPane in my program.
I also tried:
Font font = UIManager.getFont("OptionPane.font");
JOptionPane message = new JOptionPane("Welcome to Mover", JOptionPane.INFORMATION_MESSAGE);
JDialog dlg = message.createDialog("About Mover");
[Code] ....
This gave me a dialog with the default font and an unwanted icon.
So I tried
// both
Font font = UIManager.getFont("Dialog.font");
// and
Font font = UIManager.getFont("JDialog.font");
and planned to use that font in my setFont() call but font was null.
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Jun 18, 2014
How do i set a random font in java and random position on screen. I've got random color but cannot get the font and position to change except for two times.
import javax.swing.*;
import java.awt.*;
import java.util.Random;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
public class JChangeSizeAndColor extends JPanel implements ActionListener {
private Random generator;
[code]....
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Feb 14, 2015
I was wondering, if, for example I set font for my textarea like this:
area.setFont(new Font("Serif", Font.ITALIC, 18));
Is that last parameter, in this case 18, will be actually the same size for all users? Maybe I should avoid these absolute numbers?
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Jan 20, 2014
The Font style constants are of int: int[] fontStyleList = new int[] {Font.PLAIN, Font.BOLD, Font.ITALIC};But what do I do when I want to add the names such as PLAIN etc. as the name of a menu item?
The following is not going to work, right!String[] parts = (fontStyleList[i].toString()).split("."); or String[] parts = ("" + fontStyleList[i]).split(".");rbStyle = new JRadioButtonMenuItem(parts[1]);
Is there another way to do this or should I just do another array with the names as a String?
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Jun 1, 2014
I'm trying to display a phrase in every font size from 6 thru 20. As it stands now, the code below cascades the phrase, sort of, down the frame, but the font size doesn't change.
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class JFontSizes extends JFrame implements ActionListener
{
JButton button = new JButton("Press Me");
String aPhrase = new String("This is a phrase.");
[Code] ......
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Jun 1, 2014
This is what I have thus far.
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
[Code]....
The result looks something like this:
Button
This is a phrase.
This is a phrase.
This is a phrase.
This is a phrase.
etc.
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Apr 19, 2015
I'm new in Java. I try to create a menu with items like "Font size", "Font color" type of "font" how to create a menu with that options.
Java.jpg
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Jul 5, 2014
I wish to print the content of a JTextArea. I know I can do this with textarea.print(). However, I wish to print in a different font, font size and orientation from that of the JTextArea itself. I have been able to change the orientation by setting print attributes
PrintRequestAttributeSet printAttributes =
new javax.print.attribute.HashPrintRequestAttributeSet ();
printAttributes.add(javax.print.attribute.standard .OrientationRequested.LANDSCAPE);
And then using the textarea.print() method that allows me to set attributes. However, I haven't found any way to set the font and font size.
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Feb 10, 2014
So, I have a game. I would like to make a game where you press "start" and THEN it starts. Also, I want to have collision with triangles, not just squares. The way I handle collision right now is with if statements, if the object is within the other, game over.How would I do collision with triangles? Lastly, how do I set a high score? how to change fonts and font size in swing?
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Mar 9, 2014
I am having problem with the JRadio Buttons to change the font color in my code. What needs to be done? Also if I were to connect this GUI to another GUI and save font colors, how would I go about that?
package SystemandDesign.RISK;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.Color;
import java.awt.event.ItemListener;
import java.awt.event.ItemEvent;
import javax.swing.JTextField;
import javax.swing.JRadioButton;
import javax.swing.JFrame;
import javax.swing.ButtonGroup;
[code]....
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Mar 9, 2015
I'm working on Java-GUI implementation in Ubuntu. Used font-type in the application throughout is "Arial". At earlier stage of application it was the same font-type("Arial"). As the implementation grew the font-type has been changed automatically to another font type. It seems Serif-font type.
Now I could not able to figure out the problem; why it is so.
Note- I used HTML code also for setting font style of Dialog box messages and buttons. This is the only point which I figured out. Can it is ?
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Apr 26, 2015
[attachment=38859:bcourt.jpg]I/m not used to Timers, so this will be my first time using it and I don't know how. I've been searching the internet for an hour but I can't find an answer into it. I'm currently doing a basketball game which has a Buttons (Shoot,Dribble,Hold) and I need those timers for my buttons to work. Her's the code:
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class BasketBall extends JPanel implements ActionListener
{
JButton shootButton = new JButton("SHOOT");
JButton drbblButton = new JButton("DRIBBLE");
JButton holdButton = new JButton("HOLD");
[Code]...
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Apr 2, 2014
Is it possible to go from one method to another when a jbutton is clicked?
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May 25, 2014
I have a Jbutton in my application named as SUBMIT,on clicking SUBMIT the text of jButton changes to ABORT. I wish to apply enter key listener on both the SUBMIT and ABORT button in my applcation, however I am not able to get the text of the button in key listener,so that i can apply my code based on the current text of Button.
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Aug 3, 2014
I have a jButton that when the action perform runs it only does part of the tasks some of the code doe not appear to run and i just can not figure out why i have tried wrapping parts of it in an if statement and it still do not run so here is the code behind the button:
in the code the parts that do not run are jTextField10.setText("Working Please Wait"); and jButton15.setVisible(false);
what i am expecting to happen is the text field has the words Working Please Wait placed in it , this does not happen and the button should be hidden to prevent it being clicked a second time again this does not happen
the rest of the code works as expected
InputStream inStream;
OutputStream outStream;
try {
File afile = new File("C://templates//amendments.xls");
File bfile = new File("C://amendments.xls");
inStream = new FileInputStream(afile);
outStream = new FileOutputStream(bfile);
[code]....
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