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  interface Inter{void show();}
  class Demo{
   void function(Inter in){
    in.show();
   }
  }
  main(){
   Demo d = new Demo();
   d.function(new InterImpl());//ÕâÀïÐèÒª´«ÈëÒ»¸öеĺóÆÚ×ÓÀà¶ÔÏó¡£
  }
  class InterImpl implements Inter{
   public void show(){}
  }
  Äܲ»ÄÜÍêÈ«²»¸Ä¶¯Ô´³ÌÐò£¬¾Í¿ÉÒÔÔËÐкóÆÚ×ÓÀàÄÚÈÝÄØ£¿
  ÎÒÃÇ¿ÉÒÔ¶ÔÍⱩ¶һ¸öÅäÖÃÎļþ£¬¸ÃÅäÖÃÎļþ¿ÉÒÔÊǼüÖµ¶ÔÐÎʽµÄ.iniÎļþ¡¢xmlÎļþ¡£
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  main(){
   Demo d = new Demo();
   BufferdReader bufr = new BufferedReader(new FileReader("config.txt"));
   String className = bufr.readLine();
   Class clazz = Class.forName(className);
   Inter in = (Inter)clazz.newInstance();
   d.function(in);
  }
  ͨ¹ýÉÏÃæÊ¾Àý£¬¿ÉÒÔ¿´µ½·´Éä½øÒ»²½ÔöÇ¿Á˳ÌÐòµÄÀ©Õ¹ÐÔ¡£
 
Class ÀàµÄʵÀý±íʾÕýÔÚÔËÐÐµÄ Java Ó¦ÓóÌÐòÖеÄÀàºÍ½Ó¿Ú£¬Ëü½«×Ö½ÚÂëÎļþ·â×°³ÉÁ˶ÔÏó£¬Àà×ֶΣ¬·½·¨£¬¹¹Ô캯ÊýÒ²±»·âװΪ¶ÔÏó£¬ÎÒÃÇ¿ÉÒÔͨ¹ý¶ÔÏóЧÓûñÈ¡ÀàÖеÄ×ֶη½·¨ºÍ¹¹Ô캯Êý¡£
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package cn.itcast.test;
public class Person {
    private String name;
    private int age;
    private String address;
    public Person(String name, int age, String address) {
       super();
       this.name = name;
       this.age = age;
       this.address = address;
    }
    public void show(String name,int age){
       System.out.p


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package test;
import java.util.ArrayList;
import java.util.List;

import org.nuxeo.common.xmap.annotation.XNode;
import org.nuxeo.common.xmap.annotation.XNodeList;
import org.nuxeo.common.xmap.annotation.XObject;


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