Example:

//Instantiating a Workbook object
Workbook workbook = new Workbook();
//Adding a new worksheet to the Workbook object
workbook.getWorksheets().add();
//Obtaining the reference of the newly added worksheet by passing its sheet index
Worksheet worksheet = workbook.getWorksheets().get(0);
//Adding a hyperlink to a URL at "A1" cell
int index = worksheet.getHyperlinks().add("A1", 1, 1, "http://www.aspose.com");
//Getting a Hyperlink by index.
Hyperlink hyperlink = worksheet.getHyperlinks().get(index);
//Setting display text of this hyperlink.
hyperlink.setTextToDisplay("Aspose");
//Saving the Excel file
workbook.save("book1.xls");