Insurance Policy Management System (Mini Project)

This mini project is built with core Java concepts:

• Class and objects
• Abstraction, polymorphism, inheritance, encapsulation
• Abstract class and interface
• Garbage collector usage (System.gc() request)
• Lambda expressions

Features

• Add and manage HealthPolicy and VehiclePolicy
• View, search, sort and delete policies
• Persist policies in a JSON file (data/policies.json)
• Dual UI support:
  • Terminal UI
  • Swing GUI
• Toggle UI mode through a boolean value in InsurancePolicyManagementApp

Project structure

• src/com/insurance/model - domain classes and interface
• src/com/insurance/repository - JSON persistence abstraction and implementation
• src/com/insurance/service - business logic
• src/com/insurance/ui - terminal and Swing user interfaces
• src/com/insurance/InsurancePolicyManagementApp.java - launcher with UI switch boolean

Run

javac -d out $(find src -name "*.java")
java -cp out com.insurance.InsurancePolicyManagementApp

For GUI mode, set:

private static final boolean USE_GUI = true;

inside InsurancePolicyManagementApp and run again.