Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

JavaÖеķ´Éä»úÖÆ

JAVA·´Éä»úÖÆ
    JAVA·´Éä»úÖÆÊÇÔÚÔËÐÐ״̬ÖУ¬¶ÔÓÚÈÎÒâÒ»¸öÀ࣬¶¼Äܹ»ÖªµÀÕâ¸öÀàµÄËùÓÐÊôÐԺͷ½·¨£»¶ÔÓÚÈÎÒâÒ»¸ö¶ÔÏ󣬶¼Äܹ»µ÷ÓÃËüµÄÈÎÒâÒ»¸ö·½·¨£»ÕâÖÖ¶¯Ì¬»ñÈ¡µÄÐÅÏ¢ÒÔ¼°¶¯Ì¬µ÷ÓöÔÏóµÄ·½·¨µÄ¹¦ÄܳÆÎªjavaÓïÑԵķ´Éä»úÖÆ¡£
Java·´Éä»úÖÆÖ÷ÒªÌṩÁËÒÔϹ¦ÄÜ£º ÔÚÔËÐÐʱÅжÏÈÎÒâÒ»¸ö¶ÔÏóËùÊôµÄÀࣻÔÚÔËÐÐʱ¹¹ÔìÈÎÒâÒ»¸öÀàµÄ¶ÔÏó£»ÔÚÔËÐÐʱÅжÏÈÎÒâÒ»¸öÀàËù¾ßÓеijÉÔ±±äÁ¿ºÍ·½·¨£»ÔÚÔËÐÐʱµ÷ÓÃÈÎÒâÒ»¸ö¶ÔÏóµÄ·½·¨£»Éú³É¶¯Ì¬´úÀí¡£
1. µÃµ½Ä³¸ö¶ÔÏóµÄÊôÐÔ
1 public Object getProperty(Object owner, String fieldName) throws Exception {
2     Class ownerClass = owner.getClass();

4     Field field = ownerClass.getField(fieldName);

6     Object property = field.get(owner);

8     return property;
9 }
Class ownerClass = owner.getClass()£ºµÃµ½¸Ã¶ÔÏóµÄClass¡£
Field field = ownerClass.getField(fieldName)£ºÍ¨¹ýClassµÃµ½ÀàÉùÃ÷µÄÊôÐÔ¡£
Object property = field.get(owner)£ºÍ¨¹ý¶ÔÏóµÃµ½¸ÃÊôÐÔµÄʵÀý£¬Èç¹ûÕâ¸öÊôÐÔÊǷǹ«Óеģ¬ÕâÀï»á±¨IllegalAccessException¡£
2. µÃµ½Ä³¸öÀàµÄ¾²Ì¬ÊôÐÔ
 1 public Object getStaticProperty(String className, String fieldName)
 2             throws Exception {
 3     Class ownerClass = Class.forName(className);
 4 
 5     Field field = ownerClass.getField(fieldName);
 6 
 7     Object property = field.get(ownerClass);
 8 
 9     return property;
10 }
Class ownerClass = Class.forName(className) £ºÊ×Ïȵõ½Õâ¸öÀàµÄClass¡£
Field field&n


Ïà¹ØÎĵµ£º

java final ¹Ø¼ü×Ö ºÍ static Ó÷¨

ת×Ô
http://www.blogjava.net/hongzionline/archive/2007/09/19/146392.html
final ¹Ø¼ü×Ö ºÍ static Ó÷¨
Ò»¡¢final
¸ù¾Ý³ÌÐòÉÏÏÂÎÄ»·¾³£¬Java¹Ø¼ü×ÖfinalÓГÕâÊÇÎÞ·¨¸Ä±äµÄ”»òÕß“ÖÕ̬µÄ”º¬Ò壬Ëü¿ÉÒÔÐÞÊηdzéÏóÀà¡¢·Ç³éÏóÀà³ÉÔ±·½·¨ºÍ±äÁ¿¡£Äã¿ÉÄܳöÓÚÁ½ÖÖÀí½â¶øÐèÒª×èÖ¹¸Ä±ä£ºÉè¼Æ»òЧÂÊ¡ ......

JavaÖмÆÊ±Æ÷µÄʹÓÃ

import java.util.Timer;
import java.util.TimerTask;
public class TimerExample
{
    /**
     * JavaÖмÆÊ±Æ÷µÄʹÓÃ
     * Time: 21:19 2010-1-5
     */
    Timer localTimer;
    public Ti ......

Java Êý¾ÝÁ÷2(PipedInputStream,PipedOutputStream)

Java Êý¾ÝÁ÷2(PipedInputStream,PipedOutputStream...)
2007-08-18 17:30
×Ö½ÚÁ÷µÄ¸ß¼¶Ó¦ÓÃ
?       ¹ÜµÀÁ÷
¹ÜµÀÓÃÀ´°ÑÒ»¸ö³ÌÐò¡¢Ï̺߳ʹúÂë¿éµÄÊä³öÁ¬½Óµ½ÁíÒ»¸ö³ÌÐò¡¢Ï̺߳ʹúÂë¿éµÄÊäÈë¡£java.ioÖÐÌṩÁËÀàPipedInputStreamºÍPipedOutputStream×÷Ϊ¹ÜµÀµÄÊäÈë/Êä³öÁ÷
¹ÜµÀÊäÈëÁ÷×÷ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ