Relationship between Base Classes and Derived Classes

• Base class and derived class relationship
• Example: Point/circle inheritance hierarchy
  • Point
    x-y coordinate pair
  • Circle
    x-y coordinate pair
    Radius
  
  
  
  
  
  
  
  
  
  
  

  Figure 4.3: Point class header file

  

  Figure 4.4: Point class represents an xy-coordinate pair. (part 1 of 2)

  

  

  Figure 4.5: Point class represents an xy-coordinate pair. (part 2 of 2)

  

  Figure 4.6: Point class test program.