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The BindingFactory HelloWorld example, with TCP and Group bindings

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package org.objectweb.fractal.bf;
/**
 * A simple printing-on-demand service.
 *  
 * @author [email protected]
 *
 */
public interface Service
{
  /**
   * Print some message
   *
   */
  void print();
  
  /**
   * Return a message to the printing-service user.
   * @return a string to be print.
   */
  String printAndAnswer();

}