• Presentation Logic

• : the logic that we use to read input values for end user and to display business logic result for end user

• Business Logic

• the main logic of an application that generates the result based on given input values   

Persistence Logic:

• the logic develops in the application to interact with persistence stores and to perform persistence operation. It is always helps logic to business logic.

Java application use iostream based persistence logic to interact with files and to perform persistence operation on the files.

Java application can use JDBC code as persistence logic to interact with database software and to manipulates tables data