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public interface HelloWorld {

public void SayHello();

}

public class HelloWorldImpl implements HelloWorld {

public void SayHello() {
System.out.println("hello");

}

}

public class HelloWorldMSSQL extends HelloWorldImpl {

}

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public class HelloWorldHandler implements InvocationHandler {

      //Òª´úÀíµÄԭʼ¶ÔÏó

      private Object objOriginal;

      /**

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        */
     
     

      public HelloWorldHandler(Object obj) {

              this.objOriginal = obj ;

      }


      public Object invoke(Object proxy, Method method, Object[] args)

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