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order number

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FunTester
FunTester
Dec 7, 2019 · Backend Development

Generating Unique Order Numbers in Java: Risks, Testing, and Improved Approaches

The article examines a Java method that creates unique transaction order numbers by combining a timestamp with a four‑digit random code, discusses its collision risk, evaluates testing strategies—including stress testing and UUID replacement—and provides sample code for both generation and duplicate detection.

UUIDjavaorder number
0 likes · 6 min read
Generating Unique Order Numbers in Java: Risks, Testing, and Improved Approaches
JD Retail Technology
JD Retail Technology
Aug 15, 2019 · Backend Development

Simple and Advanced Approaches to Order Number Generation Using Database Sequences

This article explains how to implement order number generation services by first using a simple auto‑increment‑based database table and then a more sophisticated segment‑allocation method that reduces database load, with detailed SQL and Java code examples and transaction‑handling advice.

DistributedSequencebackend
0 likes · 8 min read
Simple and Advanced Approaches to Order Number Generation Using Database Sequences