anchor.diff:  ----
   
   
  +
   === Abstract Event Methods:
   
   [source,java]
  
positive.code: *  Manages the interaction between any number of Button derived classes
  *  Provides the abstract method onSelect for executing code when a Radio Button is selected by the user.
  
  +
  *Sample Usage:*+
  
  [source,java]
  ----
  
negative.code: public void onSelect(int index, Button value);
  
  ----
  
  
  
  === Methods Specific to the CheckBox Class:
  