javax.swing.JScrollPane; import javax.swing.JTextArea; import javax.swing.Timer; public class Main { public static void main( String[] args ) { JFrame f = new JFrame(); JTextArea textArea = new JTextArea( ); f.add( new JScrollPane( textArea ), BorderLayout.CENTER ); Timer timer =...
{ @Override public void actionPerformed(ActionEvent e) { label.setText(String.valueOf(System.nanoTime())); } }).start(); } public static void main(String[] args) { JFrame f = new JFrame(); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); f.add(new Main()); f.pack(); f....
How to Use Swing TimersA Swing timer (an instance of javax.swing.Timer) fires one or more action events after a specified delay. Do not confuse Swing timers with the general-purpose timer facility in the java.util package. This page describes only Swing timers. In general, we recommend ...
first i need to say that as i don`t manage completely english i had some problems as you recommended me i saw that web and many others even if i use the run(), the text doesn`t appear in real time, only at the end if you can check it ... ^^ ...
Well, I know a few people have wanted to do things like this before. So here is my code approach to it, enjoy. There are other methods I'm sure, but I think this is the easiest. It makes use of the JScrollPane Row Header import java.awt.Color; import javax.swing.JFrame; import...
hello ...i need to insert an image using swings in my project...but there is an error... the code is as shown below :- import javax.swing.*; import java.awt.*; import java.io.*; import javax.imageio.ImageIO; import javax.imageio.ImageReader; class ImageFrame extends ...
JTable 类有一个构造器,将二维对象数组包装在一个默认模型之中。...java.awt.event.*; import javax.swing.*; import javax.swing.table.*; /** * This program demonstrates how...javax.swing.*; import javax.swing.event.*; import javax.swing.table.*; /** * ...
Rajesh Natarajan
SwingUtilities.invokeLater() is great for updating the UI from another thread. Maybe you have a long-running task, and you'd like to update a progress bar to provide feedback for the user. You could try something like this: startButton.addActionListener(new ActionListener() { public void ...
public void actionPerformed(ActionEvent evt) { startButton.setEnabled(false); setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR)); done = false;task = new Task(); task.addPropertyChangeListener(this); task.execute();} Taskis a subclass ofjavax.swing.SwingWorker. TheTaskinstance does three ...