JAVAʹÓÃEPollÀ´½øÐÐNIO´¦ÀíµÄ·½·¨
JDK 6.0 ÒÔ¼°JDK 5.0 update 9 µÄ nioÖ§³Öepoll £¨½öÏÞ Linux
ϵͳ
£©£¬¶Ô²¢·¢idle connection»áÓдó·ù¶ÈµÄÐÔÄÜÌáÉý£¬Õâ¾ÍÊǺܶàÍøÂç·þÎñÆ÷Ó¦ÓóÌÐòÐèÒªµÄ¡£
ÆôÓõķ½·¨ÈçÏ£º
-Djava.nio.channels.spi.SelectorProvider=sun.nio.ch.EPollSelectorProvider
ÀýÈçÔÚ Linux ÏÂÔËÐÐµÄ Tomcat ʹÓà NIO Connector £¬ÄÇôÆôÓà epoll ¶ÔÐÔÄܵÄÌáÉý»áÓаïÖú¡£
¶ø Tomcat ÒªÆôÓÃÕâ¸öÑ¡ÏîµÄ×ö·¨ÊÇÔÚ catalina.sh µÄ¿ªÍ·¼ÓÈëÏÂÃæÕâÒ»ÐÐ
CATALINA_OPTS='-Djava.nio.channels.spi.SelectorProvider=sun.nio.ch.EPollSelectorProvider'
Ïà¹ØÎĵµ£º
òËƱȽ϶࣬²»¹ý¶à¶®µã£¬Ò²Ã»Ê²Ã´²»ºÃ¡£
1¡¢ÊìϤjdbc£¬»áÓÃjdbc¡£
2 »áдsqlºÍ´æ´¢¹ý³Ì¡£
3¡¢ÊìϤswing¿Ø¼þ¡¢²»¹ý²»½¨ÒéÓÃswing¿ª·¢¿Í»§¶Ë
4 ÊìϤ swt£¬rcp ¿Í»§¶Ë£¬½¨ÒéÓÃrcp¿ª·¢¿Í»§¶Ë
5 ÊìϤjsp servlet
6 ÊìϤtomcat£¬ÖÁÉÙÖªµÀweb¡£x ......
ʲôÊÇjava EEÁË¡£Ò»°ãÀ´Ëµ£¬Ò»¸ö³ÉÊìµÄjava EE½â¾ö·½°¸£¬°üÀ¨ÒÔϼ¸¸ö²¿·Ö¡£
1¡¢¿ÉÒÔ¶ÔÍâÌṩ»ùÓÚ±ê×¼ÐÒéÈçxmlµÄ·þÎñ
ÈçWeb Service
2¡¢ÄÚ²¿Í¨ÐÅ»ùÓÚÃæÏò¶ÔÏóµÄͨÐÅÐÒé
Èç RMI£¬Corba£¬XML RPC
3¡¢°²È«ÐԸߣ¬È¨ÏÞ¿ØÖÆÑϸñ
Èç MD5£¬SSL£¬AccountDomain
4 &nbs ......
public class TestEnum {
/*×îÆÕͨµÄö¾Ù*/
public enum ColorSelect {
red, green, yellow, blue;
}
  ......
Ç廪´óѧ³ö°æÉ硶Java³ÌÐòÔ±£¬ÉÏ°àÄǵãʶù¡·×÷ÕߣºÖÓÉù Õ½ڣº1.1С½Ú
ÎÒÃǸոսøÈë±¾ÊéµÄÕýÌâ¾ÍÄóöÒ»¸öËײ»¿ÉÄÍ“Ç®”×ÖÀ´ºÍ´ó¼Ò´ó̸ÌØ̸£¬Î´Ãâ²»ÑÅ¡£µ«ÊÇ£¬ÎÒ»¹ÊÇÒªÔÚÒ»¿ªÊ¼¾ÍҪ˵Õâ¸öÎÊÌ⣬ÒòΪÕâÊǺܶàÅóÓѹØÐĵÄÎÊÌ⣬Ϊʲô²»ÏÈ˵ ......
ÔÚjavaÏîÄ¿¼¯³Éflex¿ª·¢ÔÚweb2.0ÊÇÊÇÒ»¸öÊ®·ÖÓмÛÖµµÄ¿ª·¢·½°¸£¬ÌرðÔÚÆóÒµ¼¶µÄÓ¦ÓÃÖУ¬flexºÍjava¼äµÄͨѶԽÏÔÖØÒª¡£µ«ÊÇÏÖÔÚµÄjavaºÍflexµÄ¿ò¼ÜËäÈ»¶à£¬µ«Êǹ²Í¨ÐÔ²»´ó¡£¾ÍÊÇͨ¹ý´«Í³µÄwebserviceµ÷Óã¬Ò²ÒòΪЧÂÊÎÊÌâºÍ½âÎöxmlµÄ·±ÖصŤ×÷£¬ºÜ¶àÏîÄ¿¿ª·¢ËٶȺÍά»¤ÏÞÖƽϴó¡£ÔÚ½üÀ´ÏîÄ¿£¬ÎÒÔÚ¹«Ë¾³¢Ê ......