Plain old Java object

A plain old java object (POJO) is like a toy car. Just like you can play with a toy car and imagine it moving and doing things, a POJO is a plain and simple object in Java that you can use to store data or information. It doesn't have any special abilities or features, just like your toy car doesn't fly or teleport. POJOs are useful because they can be easily understood and modified, just like how you can easily change the wheels or color of your toy car. So, just like how you can play with and modify a toy car, developers can create and use POJOs to store and manipulate data in their Java applications.