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Java reflection´úÂëʾÀý

package com.mywebtest.common;
import java.lang.reflect.Array;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
/**
 * Java reflection ·Ç³£ÓÐÓã¬ËüʹÀàºÍÊý¾Ý½á¹¹Äܰ´Ãû³Æ¶¯Ì¬¼ìË÷Ïà¹ØÐÅÏ¢£¬²¢ÔÊÐíÔÚÔËÐÐ×ŵijÌÐòÖвÙ×÷ÕâЩÐÅÏ¢¡£
 * Java µÄÕâÒ»ÌØÐԷdz£Ç¿´ó£¬²¢ÇÒÊÇÆäËüһЩ³£ÓÃÓïÑÔ£¬Èç C¡¢C++¡¢Fortran »òÕß Pascal µÈ¶¼²»¾ß±¸µÄ¡£
 */
public class ReflectionTest {
    public double d;
   
    public ReflectionTest() {
    }
   
    public ReflectionTest(int a, int b) {
        System.out.println("a = " + a + " b = " + b);
    }
   
    public static void main(String[] args) {
        try {
            //»ñµÃÒ»¸öClass¶ÔÏóµÄ·½·¨Ö®Ò»,»¹ÓÐÁíÒ»ÖÖ·½·¨ÈçÏÂÃæµÄÓï¾ä£ºClass c = int.class;»òÕßClass c = Integer.TYPE;
            Class c = Class.forName(args[0]);
           
            //ÕÒ³öÀàµÄ·½·¨
            Method m[] = c.getDeclaredMethods();
            for (int i = 0; i < m.length; i++) {
                System.out.println(m[i].toString());
            }
           
            //»ñÈ¡¹¹ÔìÆ÷ÐÅÏ¢,»ñÈ¡À๹ÔìÆ÷µÄÓ÷¨ÓëÉÏÊö»ñÈ¡·½·¨µÄÓ÷¨ÀàËÆ
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import java.awt.*;
import java.awt.event.*;
//¶íÂÞ˹·½¿éÀà
public class ERS_Block extends Frame{
 public static boolean isPlay=false;
 public static int level=1,score=0;
 public static TextField scoreField,levelField;
 
 public static MyTimer timer;
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 public static void replaceString(String a,String b,String c){
          System.out.println(a);
          String result = a.replaceAll("(?i)"+b, c); //´óСд²»Ãô¸Ð
 
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