Add or Update Table of Contents in Word using Java

readme.md

Read the complete article on adding or updating table of contents in Word documents using Java: https://blog.aspose.com/2021/07/02/add-or-update-toc-in-word-using-java/

add-toc.java

// Load the Word document
Document doc = new Document("Word.docx");

// Create a document builder
DocumentBuilder builder = new DocumentBuilder(doc);

// Insert a table of contents at the beginning of the document.
builder.insertTableOfContents("\\o \"1-3\" \\h \\z \\u");
builder.insertBreak(BreakType.PAGE_BREAK);

// The newly inserted table of contents will be initially empty.
// It needs to be populated by updating the fields in the document.
doc.updateFields();

// Save the updated document
doc.save("Output.docx");

update-toc.java

// Load the Word document
Document doc = new Document("Word.docx");

// Update table of content
doc.updateFields();

// Save the updated document
doc.save("Output.docx");