what is JavaBean

TL;DR


JavaBeans are reusable components for Java.

JavaBeans are classes with objects encapsulated into single object that is a Bean.

Details:

JavaBeans are:
- serializable objects


- have public 0-argument constructor
- allow access to private properties using just getter and setter methods.

More information: http://stackoverflow.com/questions/3295496/what-is-a-java-bean-exactly