Pan Zhi's Tech Notes

Feb 14, 2025 · Backend Development

How to Generate PDF Files in Java: A Complete Step‑by‑Step Tutorial

This guide walks through the need for PDF generation in business scenarios, introduces the iText library (both iText5 and iText7), shows how to add Maven dependencies, provides a minimal “Hello World” PDF example, then details converting HTML (with CSS, images, and Freemarker variables) into PDF, and discusses when custom adaptation is required.