Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

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

public class Main {
    public static void main(String[] argv) throws Exception {
        MyBean bean = new MyBean();
        bean.setName("A");
        bean.setName("B");
        bean.setName("C");
    }
}

class MyBean implements PropertyChangeListener, Serializable {
    private Long id;
    private String name;
    private PropertyChangeSupport pcs = new PropertyChangeSupport(this);

    public MyBean() {
        pcs.addPropertyChangeListener(this);
    }

    public void propertyChange(PropertyChangeEvent evt) {
        System.out.println("Name      = " + evt.getPropertyName());
        System.out.println("Old Value = " + evt.getOldValue());
        System.out.println("New Value = " + evt.getNewValue());
    }

    public Long getId() {
        return id;
    }

    public void setId(Long id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        String oldValue = this.name;
        this.name = name;
        pcs.firePropertyChange("name", oldValue, name);
    }
}