Defining a Subclass

• The Java class definition

  class class-name1 extends class-name2
  
  { . . . }

explicitly defines class-name1 to be a subclass of class-name2.

• Example.

  class Male extends Person
  
  { . . . }
  class Female extends Person
  { . . . }

Person

Object

Room

Matrix

Female

Male

Account

Previous slide

Next slide

Back to first slide

View graphic version