Java SE 6¸üУ¬ÐÔÄÜ´ó·ùÌáÉý
¾ÝInternetNews.com±¨µÀ£¬×÷Ϊ½ñÄêµÄµÚÒ»´Î¸üУ¬Java SE 6 Update 18£¨Ò²³ÆÎª6u18£©²»½öÐÞ¸´Á˳¬¹ý300¸öbug£¨¹»¶àµÄ°¡£©£¬¶øÇÒ¸üÖµµÃ×¢ÒâµÄÊÇ£¬ÌáÉýÁËÐéÄâ»úHotSpotµÄÐÔÄÜ£¬Õ⽫ͬʱÓÐÒæÓÚJavaºÍJavaFX£¨»ùÓÚJVMµÄRIA·½°¸£©Ó¦ÓóÌÐò¡£
´ËÍ⣬Java°²×°Æ÷µÄµ×²ã»úÖÆ±»Ìæ»»£¬¿ÉÓÃÐÔ´ó´óÌá¸ß¡£
jarÎļþ´´½¨³¤ÆÚ´æÔÚµÄÒ»¸öbug±»ÐÞ¸´£¬ËÙ¶È´óÔ¼ÌáÉýÁË20%¡£
ͨ¹ý¼õÉÙÎı¾Õ¤¸ñ»¯µÄÄÚ´æÕ¼ÓúͼÓËÙͼÏñ´¦Àí£¬UIÓ¦ÓõÄÐÔÄÜÒ²µÃµ½Á˸ÄÉÆ¡£
×ÜÌåÉÏÄÚ´æ´¦Àí¶¼ÓиÄÉÆ¡£ÔÚ¿Í»§JVMÖУ¬ÐÞ¸ÄÁËĬÈϵÄJava¶ÑÅäÖ㬼ӴóÁ˳õʼºÍ×î´ó¶Ñ³ß´ç£¬Óë´úʽÀ¬»ø´¦ÀíÏà¹ØµÄÉèÖÃÒ²½øÐÐÁ˵÷ÓÅ¡£
Sun¹«Ë¾µÄJavaƽ̨¼¯ÍŸ߼¶ÓªÏú¾ÀúDave Hofert±íʾ£¬ÕâÒ»°æ±¾±êÖ¾×ÅJava´ïµ½ÁËÒ»¸öÐÂˮƽ¡£
Ïà¹ØÎĵµ£º
public class DES {
// ÉùÃ÷³£Á¿×Ö½ÚÊý×é
private static final int[] IP = {
58, 50, 42, 34, 26, 18, 10, 2, 60, 52, 44, 36, 28, 20, 12, 4, 62, 54,
......
¼ÓÃܺóÊÇÒ»¸ö32λ´óд×Öĸ×éºÏÐÎʽ£¬²¢ÇÒ±¾¼ÓÃÜ·½·¨²»¿ÉÄæ£¡
public String kljm(String dm,String kl)
{
String mw, cmm;
int k, i, tmp, a, hf, lf, bytes = 16;
int mm[], l,rand_seed;
rand_seed = 12345;
int len=kl.length();
if(len>=12) len=12;
mw =kl.substring(0,len) + dm.trim();
l = ......
ÓÐʱºò£¬ÎÒÃÇ¿ÉÄÜÏëÒª¹¹ÔìÒ»¸öºÜ³éÏóµÄ¸¸Àà¶ÔÏó£¬Ëü¿ÉÄܽö½ö´ú±íÒ»¸ö·ÖÀà»ò³éÏó¸ÅÄËüµÄʵÀýûÓÐÈκÎÒâÒ壬Òò´Ë²»Ï£ÍûËüÄܱ»ÊµÀý»¯¡£ÀýÈ磺ÓÐÒ»¸ö¸¸Àà“ Ë®¹û£¨Fruit£©”£¬ËüÓм¸¸ö×ÓÀà“Æ»¹û£¨Apple£©”¡¢“éÙ×Ó£¨Orange£©”¡¢“Ïã½¶£¨Banana£©”µÈ¡£Ë®¹ûÔÚÕâÀï½ö½öÖ»ÊÇ×÷Ϊһ¸ ......
JAVAʵÏÖAES¼ÓÃÜ
1. Òò×Ó
ÉϴνéÉÜÁË¡¶JAVAʵÏÖAES¼ÓÃÜ¡·£¬ÖмäÌáµ½½üЩÄêDESʹÓÃÔ½À´Ô½ÉÙ£¬ÔÒò¾ÍÔÚÓÚÆäʹÓÃ56λÃÜÔ¿£¬±È½ÏÈÝÒ×±»ÆÆ½â£¬½üЩÄêÀ´Öð½¥±»AESÌæ´ú£¬AESÒѾ±ä³ÉĿǰ¶Ô³Æ¼ÓÃÜÖÐ×îÁ÷ÐÐËã·¨Ö®Ò»£»AES¿ÉÒÔʹÓÃ128¡¢192¡¢ºÍ256λÃÜÔ¿£¬²¢ÇÒÓÃ128λ·Ö×é¼ÓÃܺͽâÃÜÊý¾ ......