Spring Full-Stack Practical Cases

Aug 11, 2025 · Backend Development

Boost Excel Processing in Spring Boot 3 with FastExcel – High‑Performance Read/Write Guide

This article introduces the FastExcel library as a high‑performance alternative to Apache POI for handling massive Excel files in Spring Boot 3, presents benchmark results, and provides detailed code examples for writing, reading, and uploading large spreadsheets with multithreading and memory‑efficient settings.