使用 Java 在 PDF 文件中添加或删除注释
There was a time when we used to discuss document content and feedback in long email threads with multiple attachments and different file versions. Now we can simply use annotations to markup the document with messages and replies and send it. In this article, you will learn how to programmatically annotate PDF documents in Java with your application. 以下是本文简要讨论的主题：
- Java API 用于处理 PDF 中的注释 * 在 Java 中为 PDF 添加注释 * 箭头注释到 PDF * PDF的矩形注释 * 椭圆或椭圆注释到 PDF * 到 PDF 的距离注释 * 在 Java 中从 PDF 中删除注释 [继续阅读…][1]