Java Push Counter

To program java, you will need a Java program such as "Ready to Program Java IDE" or "JDK", I use a different, custom made one for the server i use, but any will do.


CODE
//PushCounter.java

import javax.swing.*;

public class PushCounter
{
        public static void main (String [] args)
        {

                JFrame frame = new JFrame ("Push Counter");
                frame.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);
                
                frame.getContentPane().add (new PushCounterPanel());
                                        
                frame.pack();
                frame.setVisible(true);         
                
        }
        
}       



In case you are wondering what everything here does: import javax.swing*; brings in the fancy window graphics that make it look so good.

JFrame is creating a new window, frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); makes the window close when you click on the "X".

frame.getContentPane().add(new PushCounterPanel()); gets the program to look for "PushCounterPanel" (as shown below) which is what runs inside of the window.

frame.setVisible(true); tells it that the window itself is visible.



CODE

//PushCounterPanel.java

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class PushCounterPanel extends JPanel
{
        private int count;
        private JButton push;
        private JLabel lavel;
        
        public PushCounterPanel();
        {
                count = 0;
                push = new JButton ("Push Counter");             
                push.addActionListener (new ButtonListener());
                label = new JLabel ("You Pressed Teh Button " + count + " Times!!");
                add (push);
                add (label);
                
                setPreferredSize (new Dimension (300, 40));
                setBackround (Color.green);
        }
        
        public class ButtonListener implements ActionListener
        {
                public void actionPerformed (ActionEvent event)
                {
                        count++;
                        label.setText ("You Pressed The Button " + count + " Times");
                }               
        }
}



java.awt.event.*; imports the java utility that allows java to listen to each button press and eventually gets stored as "int count" through the line.

\"push.addActionListener (new ButtonListener());\". \"count = 0\" which sets the integer count at 0.

\"push = new JButton (\"Push Counter\");\" creates a new button named \"Push Counter\". \"label = new JLabel (\"You Pressed Teh Button \" + count + \" Times!!\");\" lets you know how many times you pushed the button by printing out the integer "count". "public class ButtonListener implements ActionListener" is the actual listener that is used through \"java.awt.event.*;\".

Just remember, you have to have both PushCounter and PushCounterPanel open for this to work, i hope this pointless little program brings a little light into your day, so have fun, nd wait for the next one :)


EXAMPLES:

http://totaldream.org/uploads/tutorials/java/PushCounter.java
&
http://totaldream.org/uploads/tutorials/java/PushCounterPanel.java

Sunday May 27, 2007 - 1182 reads