POJO Class in Java – Definition, Syntax, and Example
POJO Class in Java - Definition, Syntax, Examples, FAQ & Related Links 4. POJO Class (Plain Old Java Object) Definition A POJO (Plain Old Java Object) is a simple Java class that follows a few basic rules and is mainly used to represent data. It does not follow any special Java model or framework conventions. POJOs make code easier to read, maintain, and test. Characteristics of a POJO Class Private fields – Data members should be private. Public getters and setters – Used to access and modify the fields. No-argument constructor – Usually included for flexibility. No extends or implements – Should not extend predefined classes or implement unnecessary interfaces (unless needed for business logic). Serializable (optional) – Can implement Serializable for object persistence. Syntax of a POJO Class public class Student { private String name; private int age; // No-argument constructor public Student() {} // Parameterized construct...