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public interface Target {
    void f1();
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}   /**
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* User: leizhimin
* Date: 2008-8-2 15:32:04
* ĬÈÏÊÊÅäÆ÷½ÇÉ«£¬Ä¬ÈÏʵÏÖ
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public class DefaultAdapter implements Target {
    public void f1() {
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    }
    public void f4() {
    }
    public void f5() {
    }
}   /**
* Created by IntelliJ IDEA.
* User: leizhimin
* Date: 2008-8-2 15:33:54
* ʵ¼ÊÀà:ͨ¹ýÖØÐ´Ä¬ÈÏÊÊÅäʵÏÖÀ´ÊµÏÖ×Ô¼º¸ÐÐËȤµÄ²¿·Ö¡£
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public class MyInteresting extends DefaultAdapter{
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