Insert a table of contents in Word using Java by adhering to the steps defined in this brief article. It guides to setting up the environment by elaborating the necessary resources, a list of defined steps for developing the application, and a working sample code demonstrating how to add contents page in Word using Java. You will be guided to add a TOC to an existing Word file by parsing its contents.

Steps to Create a Table of Contents in Word using Java

1. Establish the environment to use Aspose.Words for Java to insert TOC
2. Access the Word file into the Document object and initialize the DocumentBuilder object
3. Insert the title of the TOC with the desired style
4. Add a table of contents and insert a page break
5. Create the empty table of contents
6. Save the new Word file having TOC inside it

You can insert contents page in Word using Java by following the above mentioned steps, whereby the process is initiated by loading the source Word file and configuring the DocumentBuilder class instance that supports inserting a table of contents. Insert the title and table of contents using the insertTableOfContents() method and populate the empty table of contents by using the updateFields() method.

Code to Create a Table of Contents in Word using Java

Using this example, you can access an existing Word document and make a contents page in Word using Java. The insertTableOfContents() method requires switches to control the behavior of the table of contents, e.g. 1-3 is used for addressing Heading styles 1, 2, and 3, ‘\h’ is used for setting the hyperlinks, and ‘\u’ is used for setting the outline levels. The default Table of Contents (TOC) is empty and can be populated using the updateFields() method.

This example has covered how to add a table of contents in Word using Java. To flip the text inside the Word document, refer to the article on flip the Text in Word using Java.