public ? class ?Main?{
???? private ? static ? final ?String?L? = ? " Decompiling?this?copyrighted?software" + "is?a?violation?of?both?your" +? "license?agreement?and?the?Digital?Millenium?Copyright?Act?of?1998" +? "(http://www.loc.gov/copyright/legislation/dmca.pdf)." + "Under?section?1204?of?the?DMCA,?penalties?range?up?to" + "a?$500,000?fine?or?up?to?five?years?imprisonment?for "+ "a?first?offense.?Think?about?it;?pay?for?a?license,"+ "avoid?prosecution,?and?feel?better?about?yourself. " ;

???? public ? static ? void ?main(String[]?args)?{
????????String?userId? = ? " zhangpu " ; // mLR8ZC-056-55-4467865306604733
???????? // ?MyEclipse4.1?GA
???????? // ?其中491(4.9.1)/400(4.0)/401(4.1)/501(5.1.0)，()內(nèi)為版本號，9912310代表注冊碼過期時間2099/12/31
????????String?need? = ?userId.substring( 0 ,? 1 )? + ? " YE3MP-501-00-9912310 " ;
???????? // ?MyEclipse4.0.0?GA
???????? // ?String?need?=?userId.substring(0,1)?+?"YE3MP-400-01-9912310";
???????? // ?MyEclipse4.9.1
???????? // ?String?need?=?userId.substring(0,1)?+?"YE3MP-491-01-9912310";
???????? // ?MyEclipse5.1.0?GA
???????? // ?String?need?=?userId.substring(0,1)?+?"YE3MP-501-00-9912310";
????????String?dx? = ?need? + ?L? + ?userId;
???????? int ?suf? = ?decode(dx);
???????? // ?System.out.println("SUF:"+suf);
????????String?code? = ?need? + ?suf;
????????System.out.println(change(code));
????}

???? static ? int ?decode(String?s)?{
???????? int ?i? = ? 0 ;
???????? char ?ac[]? = ?s.toCharArray();
???????? int ?j? = ? 0 ;
???????? for ?( int ?k? = ?ac.length;?j? < ?k;?j ++ )?{
????????????i? = ? 31 ? * ?i? + ?ac[j];
????????}
???????? return ?Math.abs(i);
????}

???? static ?String?change(String?s)?{
???????? byte ?abyte0[]? = ?s.getBytes();
???????? char ?ac[]? = ? new ? char [s.length()];
???????? int ?i? = ? 0 ;
???????? for ?( int ?k? = ?abyte0.length;?i? < ?k;?i ++ )?{
???????????? int ?j? = ?abyte0[i];
???????????? if ?(j? >= ? 48 ? && ?j? <= ? 57 )
????????????????j? = ?((j? - ? 48 )? + ? 5 )? % ? 10 ? + ? 48 ;
???????????? else ? if ?(j? >= ? 65 ? && ?j? <= ? 90 )
????????????????j? = ?((j? - ? 65 )? + ? 13 )? % ? 26 ? + ? 65 ;
???????????? else ? if ?(j? >= ? 97 ? && ?j? <= ? 122 )
????????????????j? = ?((j? - ? 97 )? + ? 13 )? % ? 26 ? + ? 97 ;
????????????ac[i]? = ?( char )?j;
????????}
???????? return ?String.valueOf(ac);
????}
}