Exercise: Unique ID Generator for Orders
Explore how to implement a unique ID generator for orders by using static fields that track the total number of orders and final instance fields to create immutable IDs. Learn to manage sequential ID creation within constructors and enforce encapsulation for reliable order processing in Java.
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 ...