File header for common files (with Java test Class)

1. MIDI (mid), file header: 4d546864 2.  JPEG (jpg), file header: Ffd8ff 3.  PNG (PNG), file header: 89504E47 4.  GIF (GIF), file header: 47494638 5.  TIFF (TIF), file header: 49492a00 6.  Windows Bitmap (BMP), file header: 424D 7.  CAD (DWG), file header: 41433130 8.  Adobe Photoshop (PSD), file header: 38425053 9. Rich Text Format (RTF), file header: 7b5c727466 10. XML (XML), file header: 3c3f786d6c 11. HTML (HTML), file header: 68746d6c3e 12. Email [Thorough only] (EML), file header: 44656c69766572792d646174653a 13. Outlook Express (DBX), file header: cfad12fec5fd746f 14. Outlook (PST), file header: 2142444E 15. MS Word/excel (xls.or.doc), file header: d0cf11e0 16. MS Access (MDB), file header: 5374616e64617264204a 17. WordPerfect (WPD), file header: FF575043 18. Postscript (eps.or.ps), file header: 252150532d41646f6265 19. Adobe Acrobat (pdf), file header: 255044462d312e 20. Quicken (QDF), file header: ac9ebd8f 21. Windows Password (PWL), file header: E3828596 22. Zip Archive (Zip), file header: 504b0304 23. rar Archive (RAR), file header: 52617221 24. Wave (WAV), file header: 57415645 25. Avi (AVI), file header: 41564920 26. Real Audio (RAM), file header: 2E7261FD 27. Real Media (RM), file header: 2e524d46 28. MPEG (MPG), file header: 000001BA 29. MPEG (MPG), file header: 000001b3 30. Quicktime (mov), file header: 6d6f6f76 31.    Windows Media (ASF), file header: 3026b2758e66cf11

　　

Package Com.lr.downlaod;import Java.io.fileinputstream;public class Testdownload {public static String Bytestohexstring (byte[] src) {StringBuilder StringBuilder = new StringBuilder (); if (src = = NULL | | src.length <= 0) {RE Turn null;} for (int i = 0; i < src.length; i++) {int v = src[i] & 0xFF; String HV = integer.tohexstring (v), if (Hv.length () < 2) {stringbuilder.append (0);} Stringbuilder.append (HV);} return stringbuilder.tostring ();} public static void Main (string[] args) throws Exception {FileInputStream is = new FileInputStream ("g://lr//005.jpg"); [] B = new Byte[3];is.read (b, 0, b.length); System.out.println (bytestohexstring (b));}}

　　

File header for common files (with Java test Class)