class Shape {                                   // Incomplete

  protected double x = 0.0;

  protected double y = 0.0;

  protected double width = 0.0;

  protected double height = 0.0;



  public synchronized double getX()      { return x;}

  public synchronized double getY()      { return y; }

  public synchronized double getWidth()  { return width;}

  public synchronized double getHeight() { return height; }



  public synchronized void adjustLocation() {

    x = longCalculation1(); 

    y = longCalculation2();

  }



  public synchronized void adjustDimensions() {

    width = longCalculation3(); 

    height = longCalculation4();

  }



  // ...

}