itext show in pdf vierwer

gistfile1.java

ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
// step 1
Document document = new Document();
// step 2
PdfWriter writer = PdfWriter.getInstance(document, outputStream);
// step 3
document.open();
// step 4
document.add(new Paragraph("Hello World! 2222555"));
// step 5
document.close();
		        
writer.flush();
writer.close();
outputStream.close();

ByteArrayOutputStream out = new ByteArrayOutputStream();
out.flush();
System.out.println("test  1 " + out.size());
out.write(outputStream.toByteArray());
System.out.println("test  2 " + out.size());
out.close();

//6 out to in
InputStream is = new ByteArrayInputStream(out.toByteArray());
		      
renderBinary(is, "ReporteDeDistribucionClasesPorHoras.pdf","application/pdf",true);