JavaÖØÐ´ÓëÖØÔØ
ÖØÐ´µÄÖ÷ÒªÓŵãÊÇÄܹ»¶¨Òåij¸ö×ÓÀàÌØÓеÄÌØÕ÷:
Èç:
public class Father
{
public void speak()
{
System.out.println("Father");
}
}
public class Son extends Father
{
public void speak()
{
System.out.println("son");
}
}
ÕâÒ²½Ð×ö¶à̬ÐÔ,ÖØÐ´·½·¨Ö»ÄÜ´æÔÚÓÚ¾ßÓм̳йØÏµÖÐ,ÖØÐ´·½·¨Ö»ÄÜÖØÐ´¸¸Àà·Ç˽Óеķ½·¨,
µ±ÉÏÀýÖÐ FatherÀà speak()·½·¨±»privateʱ,SonÀ಻ÄÜÖØÐ´ FatherÀà speak()·½·¨,´ËʱSonÀà speak()·½·¨Ï൱ÓëÔÚSonÀàÖж¨ÒåµÄÒ»¸öspeak()·½·¨.
FatherÀà speak()·½·¨Ò»µ«±»finalʱ,ÎÞÂ۸÷½·¨±»public,protected¼°Ä¬ÈÏËùÐÞÊÎʱ,SonÀà¸ù±¾²»ÄÜÖØÐ´ FatherÀà speak()·½·¨,ÊÔͼ±àÒë´úÂëʱ,±àÒëÆ÷»á±¨´í.Àý:
public class Father
{
fianl public void speak()
{
System.out.println("Father");
&
Ïà¹ØÎĵµ£º
------------------------------------------------------------------------------------------------
Õ⼸ÌìÖ÷ÒªÊÇ¿ñ¿´Ô´³ÌÐò£¬ÔÚÃÖ²¹ÁËһЩÒÔǰ֪ʶ¿Õ°×µÄͬʱ£¬Ò²Ñ§»áÁ˲»ÉÙеÄ֪ʶ£¨±ÈÈç NIO£©£¬»òÕß³ÆÎªÐ¼¼Êõ°É¡£
Ï̳߳ؾÍÊÇÆäÖÐÖ®Ò»£¬Ò»Ìáµ½Ị̈߳¬ÎÒÃÇ»áÏëµ½ÒÔǰ¡¶²Ù×÷ϵͳ¡·µÄÉú²úÕßÓëÏû·ÑÕߣ¬ÐźÅÁ¿£¬Í¬²½¿ØÖÆ ......
Çë²Î¼ûÉÏһƪÎÄÕ£¬µÇ¼MSNÐÒé
¾ßÌåJavaʵÏÖ:
ÃüÁîÐòÁУº<<´ú±í·¢ËÍ,>>´ú±í½á¹û
1.Á¬½ÓDS(Dispatcher Server)£¬µÃµ½NS(Notification Server)
<<VER 1 MSNP18 CVR0
>>VER 1 MSNP18
<<CVR 2 0x0804 winnt 5.1 i386 MSNMSGR 14.0.8089.0726 msmsgs yourAccount
>>CVR 2 14.0.8089 ......
1.
Ôö¼ÓJavaÓ¦ÓÃ
ÔÚandroid_2.1/packages/appsÔö¼Ó¸ÃÏîÄ¿£»
ÔÚbuild/target/product/generic.mkµÄPRODUCT_PACKAGESºóÃæÔö¼Ó¶ÔÓ¦°üµÄÃû×Ö¡£
1.1
´ÓÃüÁîÐ ......
JavaÁ¬½ÓmysqlÊý¾Ý¿â£¬´úÂë¾¹ýÔËÐÐ׼ȷÎÞÎó¡£
ÏÂÃæÎªÊµÀý---->
ÓÃÊý¾Ý¿â²Ù×ݹ¤¾ß£¨Àý£ºSQLyogEnt£©²Ù×Ýmysql½¨±í£¬»òdosϽ¨£¬ÈçÏ£º
Êý¾Ý¿âÃû£ºscutcs
±íÃû£ºstudent
±íÄÚÈÝ£º
sno char[7] NO NULL Primary Key;
sname varchar[8] NO NULL;
sex char[2] NO NULL; ......
JavaÁìÓòµÄ¼´Ê±Í¨ÐŵĽâ¾ö·½°¸¿ÉÒÔ¿¼ÂÇopenfire+spark+smack¡£µ±È»Ò²ÓÐÆäËûµÄÑ¡Ôñ¡£
¡¡¡¡OpenfireÊÇ»ùÓÚJabberÐÒé(XMPP)ʵÏֵļ´Ê±Í¨ÐÅ·þÎñÆ÷¶Ë°æ±¾£¬Ä¿Ç°½¨ÒéʹÓÃ3.6.4°æ±¾£¬Õâ¸ö°æ±¾Êǵ±Ç°×îеİ汾£¬¶øÇÒÍøÉÏ¿ÉÒÔÕÒµ½ÏÂÔØµÄÔ´´úÂë¡£
¡¡¡¡¼´Ê±Í¨Ðſͻ§¶Ë¿ÉʹÓÃspark2.5.8,Õâ¸ö°æ±¾ÊÇĿǰ×îеÄrelease°æ±¾£¬¾¹ý²âÊÔ· ......