What is java pojo class, java bean, normal class?

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