String dataDir = Utils.getSharedDataDir(CreateOneNoteDocumentWithFormattedRichText.class) + "introduction/";

// For complete examples and data files, please go to
// https://github.com/aspose-note/Aspose.Note-for-Java
// create an object of the Document class
Document doc = new Document();
// initialize Page class object
Page page = new Page(doc);
// initialize Title class object
Title title = new Title(doc);
// initialize TextStyle class object and set formatting properties
ParagraphStyle defaultTextStyle = new ParagraphStyle();
defaultTextStyle.setFontColor(Color.black);
defaultTextStyle.setFontName("Arial");
defaultTextStyle.setFontSize(10);

RichText titleText = new RichText(doc);
titleText.setText("Title!");
titleText.setParagraphStyle(defaultTextStyle);

// titleText.setTitleText(true);
// IsTitleText = true

Outline outline = new Outline(doc);
outline.setVerticalOffset(100);
outline.setHorizontalOffset(100);

OutlineElement outlineElem = new OutlineElement(doc);
// RunIndex = 5 means the style will be applied only to 0-4 characters.
// ("Hello")
TextStyle textStyleForHelloWord = new TextStyle();
textStyleForHelloWord.setFontColor(Color.red);
textStyleForHelloWord.setFontName("Arial");
textStyleForHelloWord.setFontSize(10);
textStyleForHelloWord.setRunIndex(5);

// RunIndex = 13 means the style will be applied only to 5-12
// characters. (" OneNote")
TextStyle textStyleForOneNoteWord = new TextStyle();
textStyleForOneNoteWord.setFontColor(Color.green);
textStyleForOneNoteWord.setFontName("Calibri");
textStyleForOneNoteWord.setFontSize(10);
textStyleForOneNoteWord.setItalic(true);
textStyleForOneNoteWord.setRunIndex(13);

// RunIndex = 18 means the style will be applied only to 13-17
// characters. (" text").
// Other characters ("!") will have the default style.
TextStyle textStyleForTextWord = new TextStyle();
textStyleForTextWord.setFontColor(Color.blue);
textStyleForTextWord.setFontName("Arial");
textStyleForTextWord.setFontSize(15);
textStyleForTextWord.setBold(true);
textStyleForTextWord.setItalic(true);
textStyleForTextWord.setRunIndex(18);

RichText text = new RichText(doc);
text.setText("Hello OneNote text!");
text.setParagraphStyle(defaultTextStyle);
text.getStyles().addItem(textStyleForHelloWord);
text.getStyles().addItem(textStyleForOneNoteWord);
text.getStyles().addItem(textStyleForTextWord);

title.setTitleText(titleText);
// set page title
page.setTitle(title);
// add RichText node
outlineElem.appendChildLast(text);
// add OutlineElement node
outline.appendChildLast(outlineElem);
// add Outline node
page.appendChildLast(outline);
// add Page node
doc.appendChildLast(page);
// save OneNote document
doc.save(dataDir + "CreateOneNoteDocument_out.pdf", SaveFormat.Pdf);