Exercise: Unique ID Generator for Orders
Understand how to implement a unique order ID generator using a static counter and a final instance field in Java. This lesson helps you enforce immutability and shared state across objects, essential concepts in object-oriented programming and class design.
We'll cover the following...
We'll cover the following...
Problem statement
You are building an order processing system for a warehouse. Every time a new order is placed, it needs a unique ID string (e.g., “ORD-1”, “ORD-2”). You ...