// assign a hyperlink to a text run
XSLFTextBox shape = slide.createTextBox();
XSLFTextRun r = shape.addNewTextParagraph().addNewTextRun();
r.setText("Apache POI");
XSLFHyperlink link = r.createHyperlink();
link.setAddress("http://poi.apache.org");
//save changes
FileOutputStream out = new FileOutputStream("data/Apache_Hyperlink.ppt");
ppt.write(out);
out.close();