In programming based on Java platform, the classes that are encapsulate many objects into one single object, bean called JavaBeans. They can be serialized and have zero argument constructor that allows access to properties with use of setter and getter methods.
The coding of JavaBeans components is actually quite easy. One does not need any special tool and one would not need to implement any kind of interfaces. When it comes to writing beans, it is just a matter of following of specific coding conventions. All that one needs to do is make classes look like beans. Tools that make use of beans should be able to recognize your bean and use it.
A bean can be a Java class that has method names which follow the JavaBeans guidelines. The bean builder tool makes use of introspection in order to examine the bean class. In relation to this inspection, the bean builder tool can builder tool can identify the bean’s methods, properties and events.