Examples for features missing in Pptx4j but available in Aspose.Slides:

Working with Presentation

• Convert Presentation to PDF
• Shadow Effects on Slide Text

Working with Slides

• Slide Thumbnails
• Working with Slide Comments
• Manage Slide Transition
• Clone PPT Slide
• Clone Slide to Specified Position

Working with Smart Art

• Manage Smart Art

Working with Media Control

• Add Audio Frame to Slide

Presentation Security

• Apply Password Protection
• Apply Protection with Properties Access

Download: Sample Code

For More Examples, Please Visit Aspose Docs