content: /*
  Copyright (C) 2018-2019 Andres Castellanos
  
  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
  
  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
  
  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <https://www.gnu.org/licenses/>
  */
  
  package jupiter.riscv.hardware;
  
  import java.beans.PropertyChangeEvent;
  import java.beans.PropertyChangeListener;
  
  
  /** Simple observer. */
  public final class Observer implements PropertyChangeListener {
  
    /** observer message */
    protected String message = "";
  
    /** {@inheritDoc} */
    @Override
    public void propertyChange(PropertyChangeEvent e) {
      message += "here";
    }
  
  }
  