PointAsShape.java
Created with JBuilder
// Fig. 10.7: Point.java
// Point class declaration inherits from Shape.

public class PointAsShape extends Shape {
  private int x;  // x part of coordinate pair
  private int y;  // y part of coordinate pair

  // no-argument constructor; x and y default to 0
  public PointAsShape()
  {
    // implicit call to Object constructor occurs here
  }

  // constructor
  public PointAsShape( int xValue, int yValue )
  {
    // implicit call to Object constructor occurs here
    x = xValue;  // no need for validation
    y = yValue;  // no need for validation
  }

  // set x in coordinate pair
  public void setX( int xValue )
  {
    x = xValue;  // no need for validation
  }

  // return x from coordinate pair
  public int getX()
  {
    return x;
  }

  // set y in coordinate pair
  public void setY( int yValue )
  {
    y = yValue;  // no need for validation
  }

  // return y from coordinate pair
  public int getY()
  {
    return y;
  }

  // override abstract method getName to return "Point"
  public String getName()
  {
    return "Point";
  }

  // override toString to return String representation of Point
  public String toString()
  {
    return "[" + getX() + ", " + getY() + "]";
  }

} // end class PointAsShape



PointAsShape.java
Created with JBuilder