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

Java Reflection (JAVA·´Éä)

Reflection ÊÇ Java ³ÌÐò¿ª·¢ÓïÑÔµÄÌØÕ÷Ö®Ò»£¬ËüÔÊÐíÔËÐÐÖÐµÄ Java ³ÌÐò¶Ô×ÔÉí½øÐмì²é£¬»òÕß˵“×ÔÉ󔣬²¢ÄÜÖ±½Ó²Ù×÷³ÌÐòµÄÄÚ²¿ÊôÐÔ¡£ÀýÈ磬ʹÓÃËüÄÜ»ñµÃ Java ÀàÖи÷³ÉÔ±µÄÃû³Æ²¢ÏÔʾ³öÀ´¡£
Java µÄÕâÒ»ÄÜÁ¦ÔÚʵ¼ÊÓ¦ÓÃÖÐÒ²ÐíÓõò»ÊǺܶ࣬µ«ÊÇÔÚÆäËüµÄ³ÌÐòÉè¼ÆÓïÑÔÖиù±¾¾Í²»´æÔÚÕâÒ»ÌØÐÔ¡£ÀýÈ磬Pascal¡¢C »òÕß C++ ÖоÍûÓа취ÔÚ³ÌÐòÖлñµÃº¯Êý¶¨ÒåÏà¹ØµÄÐÅÏ¢¡£
JavaBean ÊÇ reflection µÄʵ¼ÊÓ¦ÓÃÖ®Ò»£¬ËüÄÜÈÃһЩ¹¤¾ß¿ÉÊÓ»¯µÄ²Ù×÷Èí¼þ×é¼þ¡£ÕâЩ¹¤¾ßͨ¹ý reflection ¶¯Ì¬µÄÔØÈ벢ȡµÃ Java ×é¼þ(Àà) µÄÊôÐÔ¡£
 
1. Ò»¸ö¼òµ¥µÄÀý×Ó
¿¼ÂÇÏÂÃæÕâ¸ö¼òµ¥µÄÀý×Ó£¬ÈÃÎÒÃÇ¿´¿´ reflection ÊÇÈçºÎ¹¤×÷µÄ¡£
import java.lang.reflect.*;
public class DumpMethods {
    public static void main(String args[]) {
        try {
            Class c = Class.forName(args[0]);
            Method m[] = c.getDeclaredMethods();
            for (int i = 0; i < m.length; i++)
                System.out.println(m[i].toString());
        } catch (Throwable e) {
            System.err.println(e);
        }
    }
}
°´ÈçÏÂÓï¾äÖ´ÐУº
java DumpMethods java.util.Stack
ËüµÄ½á¹ûÊä³öΪ£º
public java.lang.Object java.util.Stack.push(java.lang.Object)
public synchronized java.lang.Object java.util.Stack.pop()
public synchronized java.lang.Object java.util.Stack.peek()
public boolean java.util.Stack.empty()
public synchronized int java.util.Stack.search(java.lang.Object)
ÕâÑù¾ÍÁгöÁËjava.util.Stack ÀàµÄ¸÷·½·¨ÃûÒÔ¼°ËüÃǵÄÏÞÖÆ·ûºÍ·µ»ØÀàÐÍ¡£
Õâ¸ö³ÌÐòʹÓà Class.forName ÔØÈëÖ¸¶¨µÄÀ࣬Ȼºóµ÷Óà getDeclaredMethods À´»ñÈ¡Õâ¸öÀàÖж¨ÒåÁ˵ķ½·¨ÁÐ±í¡£java.lang.reflect.Methods ÊÇÓÃÀ´ÃèÊöij¸öÀàÖÐ


Ïà¹ØÎĵµ£º

javaÖеÄ̰ʳÉßÀý³Ì

×î½üÒªÖØÐÂѧϰJava£¬ÕÒ¸öÀý×ÓÀ´Êµ¼ù£¬ÔÚÍøÉÏÕÒÁ˺ܶàÀý³ÌÀ´¿´£¬×Ô¼ºÖØÐ±àдÁËÒ»¸ö̰ʳÉßµÄÀý×Ó£¬¼ÇÔÚÕâÀï¡£
1.SnakeModel.java
import java.util.Observable;
import java.util.LinkedList;
import java.util.Arrays;
import java.util.Random;
import javax.swing.*;
//ObservableÀàÒ»°ã´ú±íÊý¾Ý£¬ÊµÏÖ½Ó¿ÚRunna ......

Java±à³ÌÄÇЩʶùϵÁÐÎÄÕÂ(È«¼¯)


Java±à³ÌÄÇЩʶù1——ÐòÑÔ
Java±à³ÌÄÇЩʶù2——³ÌÐòÉè¼ÆÊÇʲô£¿
Java±à³ÌÄÇЩʶù3——ÄãÊʺÏѧϰ³ÌÐòÉè¼ÆÂð£¿
Java±à³ÌÄÇЩʶù4——ÈçºÎѧºÃ³ÌÐòÉè¼Æ£¿
Java±à³ÌÄÇЩʶù5——³ÌÐòÉè¼Æ½éÉÜС½á
Java±à³ÌÄÇЩʶù6——¼ÆËã»úÈí¼þ»ù±¾¸ÅÄî
Java±à ......

JAVAϵÁÐÖ®¶ÔÏóµÄÐòÁл¯Óë·´ÐòÁл¯

±¾ÎÄÀ´×Ô£ºhttp://www.javaeye.com/topic/130025   1 ¼ò½é<o:p></o:p> ¶ÔÏóÐòÁл¯(Serializable)ÊÇÖ¸½«¶ÔÏóת»»Îª×Ö½ÚÐòÁеĹý³Ì£¬¶ø·´ÐòÁл¯ÔòÊǸù¾Ý×Ö½ÚÐòÁлָ´¶ÔÏóµÄ¹ý³Ì¡£<o:p></o:p> ÐòÁл¯Ò»°ãÓÃÓÚÒÔϳ¡¾°£º<o:p></o:p> 1. ÓÀ¾ÃÐÔ±£´æ¶ÔÏ󣬱£´æ¶ÔÏóµÄ×Ö½ÚÐòÁе½±¾µ ......

ѧϰJavaÖµ´«µÝ·½·¨

ѧϰJavaÖµ´«µÝ·½·¨-Î人±±´óÇàÄñ
¡¡¡¡Öµ´«µÝÊÇÔÚÒ»¸öº¯ÊýÖУ¬µ÷ÓÃÁíÍâÒ»¸öº¯Êý£¬ÆäÖк¬ÓвÎÊý´«µÝµÄÇé¿ö¡£ÍùÍùÖµ´«µÝ¾ÍÊǰÑÊý¾Ý´«µÝµ½ÁíÍâÒ»¸öº¯ÊýÖнøÐнøÒ»²½´¦Àí£¬ÒÔ¸üÇå³þµØÏÔʾº¯ÊýµÄ±í´ïÒâ˼¡£ÔÚº¯Êýµ÷ÓõÄʱºò»áÓÐÊý¾Ý´«µÝ£¬Í¬ÑùÒª¿¼ÂÇÐβκÍʵ²ÎµÄÎÊÌ⣬ÈçÏÂÃæµÄÒ»¸ö³ÌÐò£º
¡¡¡¡on error resume next ShockMode ......

JavaÉè¼ÆÄ£Ê½Ö®State(״̬ģʽ)

¶¨Ò壺
GOF¡¶Éè¼ÆÄ£Ê½¡·Öиø×´Ì¬Ä£Ê½ÏµĶ¨ÒåΪ£ºÔÊÐíÒ»¸ö¶ÔÏóÔÚÆäÄÚ²¿×´Ì¬¸Ä±äʱ¸Ä±äËüµÄÐÐΪ¡£
ÏÈ¿´Ò»¸öÀý×Ó£º
package com.state;
public class KissingPrincess {
// ±ê־룬±êÖ¾ÊÇÇàÍÜ»¹ÊÇÍõ×Ó¡£
private boolean isFrog = true;
// ¸ù¾ÝisFrog½øÐв»Í¬µÄ²Ù×÷¡£
public void greet() {
if (isFrog)
......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ