java»ù´¡ÃæÊÔÌâ
1.Çëд³öÏÂÁÐJava´úÂëµÄÊä³ö½á¹û
package test;
public class FatherClass()
{ public FatherClass()
{ System.out.println("FatherClass Create");}
}
×ÓÀࣺ
package test;
import test.FatherClass;
public class ChildClass extends FatherClass
{
public ChildClass()
{ System.out.println("ChildClass Create"); }
public static void main(String[] args)
{ FatherClass fc=new FatherClass();
ChildClass cc=new ChildClass(); }
}
&nbs
Ïà¹ØÎĵµ£º
×÷Õß
Josh Long
ÒëÕß
ËÎçâ
·¢²¼ÓÚ
2010Äê5ÔÂ5ÈÕ ÏÂÎç9ʱ7·Ö
Josh BlochÔÚSun¹«Ë¾¶àÄêΪJavaƽ̨×÷³öÁ˽ܳö¹±Ï×£¨Èç¹ûÄãÓùýJava
Collections¿ò¼Ü¾Í»áÁ˽âÕâÒ»µã£©£¬ÏÖÔÚGoogle¾ÍÖ°£¬ÊÇ»ñ½±Í¼Êé¡¶Effective ......
ÔÚʹÓà Java™ ÓïÑԵķºÐÍʱ£¬Í¨Åä·û·Ç³£ÁîÈËÀ§»ó£¬²¢ÇÒ×î³£¼ûµÄÒ»¸ö´íÎó¾ÍÊÇÔÚʹÓÃÓнçͨÅä·ûµÄÁ½ÖÖÐÎʽµÄÆäÖÐÖ®Ò»£¨“? super T” ºÍ “? extends T”£©Ê±³öÏÖ´íÎó¡£Äú³ö´íÁËÂ𣿱ð¾ÚÉ¥£¬¼´Ê¹ÊÇר¼ÒÒ²»á·¸ÕâÖÖ´íÎ󣬱¾Ô Brian Goetz ½«Õ¹Ê¾ÈçºÎ±ÜÃâÕâ¸ö´íÎó¡£
ÔÚ Java ÓïÑÔÖУ¬Êý×éÊÇбäµÄ£¨ ......
javaѧϰÒÑÓжÎʱ¼ä,¸öÈ˾õµÃ,¿ìËٳɳ¤ÆðÀ´Óм¸ÖÐ;¾¶:
Ò»Åàѵ,µ½È¨ÍþµÄ»ú¹¹È¥Åàѵ,ÄÜÔÚ¶ÌÆÚÄÚ´ïµ½±È½ÏºÃµÄЧ¹û.
¶þ×Ôѧ,ÔÚ×ÔѧÖгýÁË¿´Ò»Ð©ÊÓÆµ½Ì³ÌÍâ,»¹Òª¶îÍ⿴һЩ²Î¿¼Êé.ÓÐÁËÕâЩÀíÂÛ,¸ü¶àµÄÊÇҪʵ¼ù,±à³Ì¾ÍÊÇÒª²»¶ÏµÄ¶¯ÊÖ,´Ó´íÎóÖÐѧϰ,´Ó±à³ÌÖÐѧϰ,ÈÃ×Ô¼ºµÄÀíÂÛ֪ʶ¸ü¼ÓÔúʵ,ÓÐÁËÒ»¶¨µÄÀíÂÛ»ù´¡,¸öÈËÈÏΪ¿ÉÒÔ×öÓÐ ......
ÔÚJavaÖУ¬²»Í¬µÄÀà¶¼ÓÐ×Ô¼ºµ¥¶ÀµÄCache»úÖÆ£¬ÊµÏֵķ½·¨Ò²¿ÉÄÜÓÐËù²»Í¬£¬ÎÄÕÂÁоÙÁËJavaÖг£¼ûµÄ¸÷ÀàCache»úÖÆµÄʵÏÖ·½·¨£¬Í¬Ê±½øÐÐÁË×ۺϵıȽϡ£
OSCache
OSCacheÊǸöÒ»¸ö¹ã·º²ÉÓõĸßÐÔÄܵÄJava EE»º´æ¿ò¼Ü£¬OSCacheÄÜÓÃÓÚÈκÎJavaÓ¦ÓóÌÐòµÄÆÕͨµÄ»º´æ½â¾ö·½°¸¡£
OSCacheÓÐÒÔÏÂÌØµã£º»º´æÈκζÔÏó£¬Äã¿ÉÒÔ²»ÊÜÏÞÖ ......
ÎÒÃÇ´ó¼Ò¶¼ÖªµÀ£¬¶ÔÓÚ¾²Ì¬±äÁ¿¡¢¾²Ì¬³õʼ»¯¿é¡¢±äÁ¿¡¢³õʼ»¯¿é¡¢¹¹ÔìÆ÷£¬ËüÃǵijõʼ»¯Ë³ÐòÒÀ´ÎÊÇ£¨¾²Ì¬±äÁ¿¡¢¾²Ì¬³õʼ»¯¿é£©>£¨±äÁ¿¡¢³õʼ»¯¿é£©>¹¹ÔìÆ÷¡£ÎÒÃÇÒ²¿ÉÒÔͨ¹ýÏÂÃæµÄ²âÊÔ´úÂëÀ´ÑéÖ¤ÕâÒ»µã£º
Java´úÂë
public class InitialOrderTest {
......