Tagged articles

discount allocation

2 articles · Page 1 of 1

Sep 28, 2026 · Backend Development

Java Discount Allocation: Solving the 1-Cent Rounding Error in Partial Refunds

The article presents a Java solution for allocating order-level discounts to individual items using integer arithmetic and deterministic remainder distribution, ensuring accurate partial refunds by persisting per-unit prices, allocated discounts, and payable amounts at checkout, with database schema and concurrency considerations.

BigIntegerJavaconcurrency control

0 likes · 12 min read

Java Discount Allocation: Solving the 1-Cent Rounding Error in Partial Refunds

ITFLY8 Architecture Home

Jul 5, 2021 · Backend Development

Mastering E‑Commerce Order Systems: Architecture, Statuses, and Reverse Flows

This article explains the essential architecture of e‑commerce order systems, details forward and after‑sale order statuses, outlines discount allocation, order splitting rules, and describes both forward and reverse order processing flows for robust backend design.

discount allocatione-commerce backendorder management

0 likes · 12 min read

Mastering E‑Commerce Order Systems: Architecture, Statuses, and Reverse Flows