pojo

Normal Class: A Java class
Java Beans:
All properties private (use getters/setters)
A public no-argument constructor
Implements Serializable.
Pojo: Plain Old Java Object is a Java object not bound by any restriction other than those forced by the Java Language Specification. I.e., a POJO should not have to
Extend prespecified classes
Implement prespecified interface
Contain prespecified annotations