Java±à³ÌÄÇЩʶù67——thisºÍsuper
8.8 thisºÍsuper
ÏÂÃæÔÙÀ´½éÉÜÒ»ÏÂthisºÍsuper¹Ø¼ü×ÖµÄʹÓá£ÔÚ³ÌÐòÖÐͨ¹ýʹÓÃthisºÍsuper¹Ø¼ü×Ö£¬¿ÉÒÔʵÏÖ¶ÔÓÚÀàÄÚ²¿ºÜ¶àÄÚÈÝ·½±ãµÄÒýÓã¬Ò²ÓÐÖúÓÚÀí½âÃæÏò¶ÔÏóµÄʵÏÖÔÀí£¬¸ü·½±ãµÄÀí½âÃæÏò¶ÔÏó¼¼ÊõµÄÄÚ²¿ÊµÏÖ¡£
8.8.1 this¹Ø¼ü×Ö
this¹Ø¼ü×Ö´ú±í×ÔÉí£¬ÔÚ³ÌÐòÖÐÖ÷ÒªµÄʹÓÃÓÃ;ÓÐÒÔϼ¸¸ö·½Ã棺
l ʹÓÃthis¹Ø¼ü×ÖÒýÓóÉÔ±±äÁ¿
l ʹÓÃthis¹Ø¼ü×ÖÔÚ×ÔÉí¹¹Ôì·½·¨ÄÚ²¿ÒýÓÃÆäËü¹¹Ôì·½·¨
l ʹÓÃthis¹Ø¼ü×Ö´ú±í×ÔÉíÀàµÄ¶ÔÏó
l ʹÓÃthis¹Ø¼ü×ÖÒýÓóÉÔ±·½·¨
8.8.1.1 ÒýÓóÉÔ±±äÁ¿
ÔÚÒ»¸öÀàµÄ·½·¨»ò¹¹Ôì·½·¨ÄÚ²¿£¬¿ÉÒÔʹÓÓthis.³ÉÔ±±äÁ¿Ãû”ÕâÑùµÄ¸ñʽÀ´ÒýÓóÉÔ±±äÁ¿Ãû£¬ÓÐЩʱºò¿ÉÒÔÊ¡ÂÔ£¬ÓÐЩʱºò²»ÄÜÊ¡ÂÔ¡£Ê×ÏÈ¿´Ò»ÏÂÏÂÃæµÄ´úÂ룺
/**
* ʹÓÃthisÒýÓóÉÔ±±äÁ¿
*/
public class ReferenceVariable {
private int a;
public ReferenceVariable(int a){
this.a = a;
}
Ïà¹ØÎĵµ£º
create PROCEDURE pagelist
@tablename nvarchar(50),
@fieldname nvarchar(50)='*',
@pagesize int output,--ÿҳÏÔʾ¼Ç¼ÌõÊý
@currentpage int output,--µÚ¼¸Ò³
@orderid nvarchar(50),--Ö÷¼üÅÅÐò
@sort int,--ÅÅÐò·½Ê½£¬1±íʾÉýÐò£¬0±íʾ½µÐòÅÅÁÐ
......
¹ÜÀí Java Àà·¾¶£¨UNIX ºÍ Mac OS X£©
꿅᣼ http://www.ibm.com/developerworks/cn/java/j-classpath-unix/
×÷ÕßµÄÍøÕ¾£ºhttp://www.cafeaulait.org/
×ܽ᣺
²»¹ÜÀà·¾¶Óжàô¼¬ÊÖ£¬Äú¶¼¿ÉÒÔͨ¹ýһЩ¼òµ¥µÄ¹æÔò¶ÔËü¼ÓÒÔ¹ÜÖÆ£¬ÓÈÆäÊÇÒª¼ÇסÈçϵÄһЩÔÔò£º
½«Àà·Åµ½°üÖС£
Ñϸñ×ñÊØ°üºÍÀàµÄÃüÃûÔ¼¶¨ ......
ǰЩʱºò£¬°Ñ¡¶Thinking in Java¡·ÖÐÒì³£ÕâÒ»Õ·³öÀ´ÔÙ´ÎÑжÁ£¬±¾ÈËÓÐЩÊÕ»ñ£¬²¢ÇÒÓÐЩ¹ÛµãºÍ×÷Õ߹۵㲻̫һÖ£¬¹²ÏíÖ®
1.Òì³£µÄ¶¨Òå
Ò»¸öϵͳÖж¨ÒåÒì³£Ó¦×ñÑÈçϼ¸¸öÔÔò£º
a. ϵͳÖÐÈç¹ûij¸öÄ£¿é¹¦ÄܱȽϵ¥Ò»£¬½¨Ò齫ËùÓÐÒì³£·ÅÔÚÒ»¸öpackageÄÚ£»Èç¹ûij¸öÄ£¿éÓкܶà×ÓÄ£¿é£¬ ......
Ò»¡¢static
¡¡¡¡ÇëÏÈ¿´ÏÂÃæÕâ¶Î³ÌÐò£º
public class Hello{
public static void main(String[] args){ //(1)
System.out.println("Hello,world!"); //(2)
}
}
¡¡¡¡¿´¹ýÕâ¶Î³ÌÐò£¬¶ÔÓÚ´ó¶àÊýѧ¹ýJava
µÄ´ÓÀ´Ëµ£¬¶¼²»Ä°Éú¡£¼´Ê¹Ã»ÓÐѧ¹ýJava£¬¶øѧ¹ýÆäËüµÄ¸ß¼¶ÓïÑÔ£¬ÀýÈçC£¬ÄÇÄãÒ²Ó¦¸ÃÄÜ¿´¶®Õâ¶Î´úÂëµÄÒâË ......
JavaýÌå¼Ü¹¹»ù´¡
ÄÚÈݱí¸ñ
1. ¹ØÓÚ´ËÖ¸ÄÏ
2. Ò»¸ö¼òµ¥µÄÒôƵ²¥·ÅÆ÷
3. JMFÓû§½Ó¿Ú×é¼þ
4. JMF¸ÅÄî
5. ´«²¥ºÍ½ÓÊÕýÌå
6. ×ܽáÒÔ¼°×ÊÔ´
µÚÒ»½Ú. ¹ØÓÚ´ËÖ¸ÄÏ
´ËÖ¸ÄÏ°üº¬µÄÄÚÈÝ£¿
Java ýÌå¼Ü¹¹(JMF)ÊÇÒ»¸öÁîÈ˼¤¶¯µÄͨÓõÄAPI£¬ËüÔÊÐíJava¿ª·¢ÕßÓÃÐí¶à²»Í¬µÄ·½·¨´¦ÀíýÌå¡£±¾Ö¸ÄÏÖ÷Ҫͨ¹ýʹÓù¤×÷µÄÀý×ÓÌṩһ¸öJ ......