Create and Insert BLOB into Database using Java

This will Create BLOB Object For you
DriverManager.registerDriver(new oracle.jdbc.driver.OracleDriver());
con = DriverManager.getConnection("jdbc:oracle:thin:@d2.bs-cochin.com:1521:orcl", "scott", "tiger");
File = new File("D:\\ADF.pdf");
FileInputStream fis = new FileInputStream(f);
BufferedInputStream bin=new BufferedInputStream(fis);
fblob =BLOB.createTemporary(con,true,BLOB.DURATION_SESSION);
BufferedOutputStream bout = new BufferedOutputStream(fblob.getBinaryOutputStream());
IOUtils.copy(bin,bout);
System.out.println("========BLOB======>"+fblob.length());
it also works in TOPLINK.