Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;

public class Main {
    public static void main(String[] argv) throws Exception {
        MyBean bean = new MyBean();

        bean.addPropertyChangeListener(new MyPropertyChangeListener());
    }
}

class MyPropertyChangeListener implements PropertyChangeListener {
    public void propertyChange(PropertyChangeEvent evt) {
        Object oldValue = evt.getOldValue();

        Object newValue = evt.getNewValue();
    }
}

class MyBean {
    PropertyChangeSupport pceListeners = new PropertyChangeSupport(this);

    int myProperty;

    public int getMyProperty() {
        return myProperty;
    }

    public void setMyProperty(int newValue) {
        int oldValue = myProperty;
        myProperty = newValue;
        pceListeners.firePropertyChange("myProperty", new Integer(oldValue), new Integer(newValue));
    }

    public synchronized void addPropertyChangeListener(PropertyChangeListener listener) {
        pceListeners.addPropertyChangeListener(listener);
    }

    public synchronized void removePropertyChangeListener(PropertyChangeListener listener) {
        pceListeners.removePropertyChangeListener(listener);
    }

}