Hi friend,

Java Bean classes must be made serialization so that they support persistent storage. To make use of the default serilization capabilities in java, the class needs to implement the serialization interface or inherit a class that implements the Serialization interface.

Note that the Serializable interface does not have any methods.

Simple code

import java.awt.*;
import java.io.*;
import java.io.Serializable;

public class SimpleBean extends Canvas implements Serializable {
//Constructor sets inherited properties
public SimpleBean() {
setSize(60,40);
setBackground(Color.red);
}
}

Since this class extends a GUI component, java.awt.Canvas, it will be a visible Java Bean. Java Beans may also be invisible.


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Read for more information.

http://www.roseindia.net/java/

Thanks.