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1. µÃµ½Ä³¸ö¶ÔÏóµÄÊôÐÔ
public Object getProperty(Object owner, String fieldName) throws Exception {
Class ownerClass = owner.getClass();
Field field = ownerClass.getField(fieldName);
Object property = field.get(owner);
return property;
}
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
public Object getStaticProperty(String className, String fieldName) throws Exception {
Class ownerClass = Class.forName(className);
Field field = ownerClass.getField(fieldName);
Object property = field.get(ownerClass);
return property;
}
Class ownerClass = Class.forName(className) £ºÊ×Ïȵõ½Õâ¸öÀàµÄClass¡£
Field field = ownerClass.getField(fieldName)£ººÍÉÏÃæÒ»Ñù£¬Í¨¹ýClassµÃµ½ÀàÉùÃ÷µÄÊôÐÔ¡£
Object property = field.get(ownerClass) £ºÕâÀïºÍÉÏÃæÓÐЩ²»Í¬£¬ÒòΪ¸ÃÊôÐÔÊǾ²Ì¬µÄ£¬ËùÒÔÖ±½Ó´ÓÀàµÄClassÀïÈ¡¡£
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public Object invokeMethod(Object owner, String methodName, Object[] args) throws Exception {
Class ownerClass = owner.getClass();
Class[] argsClass = new Class[args.length];
for (int i = 0, j = args.length; i < j; i++) {
argsClass[i] = args[i].getClass();
}
Method method = ownerClass.getMethod(methodName, argsClass);
return method.invoke(owner, args);
}
Class owner_class = owner.getClass() £ºÊ×ÏÈ»¹ÊDZØÐëµÃµ½Õâ¸ö¶ÔÏóµÄClass¡£
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int f() {
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    f2():
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}//Èç¹ûÔÚÿ¸öº¯Êýºó¶¼Ôö¼Ó³ö´íµÄÅжÏ(Èç¹ûÊÇÕý³£Âß¼­¿ÉÒÔ×ß²»Í¬µÄ·ÖÖ§)²¢ÊÍ·Å×ÊÔ´£¬ÄÇÕâ¸öº¯ÊýÄÚ»áÓÐÌ«¶àÓëÖ÷¸ÉÎÞ¹ØÓ°ÏìÇåÎúÔĶÁµÄ´úÂë´æÔÚ£¬¶øÇÒ¹ý¶àreturnÓÐʱ»áʹµÃ×ÊÔ´µ ......

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package debug;
import java.io.*;
import java.lang.Thread;
class MyThread extends Thread{
public int x = 0;
public void run(){
System.out.println(++x);
}
}
class R implements Runnable{ ......

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import java.awt.Desktop;
import java.io.File;
import java.io.IOException;
public class TestDesktop {
public static void main(String[] a) {
try {
Desktop desktop = null;
if (Desktop.isDesktopSupported()) {
desktop = Desktop.getDesktop();
}
desktop.open(new File("/hom ......

ºǫ́×Ô¶¯·¢Óʼþ java´úÂë

import java.util.Properties;
import javax.mail.Message;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
public class SendMail {
 /**
  * @param args
  */
 public static void main ......
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