Instance variables are preceded by the ampersand character
No special variables are defined for the instance environment.
You can retrieve the value of an instance variable using the syntax:
Will return the value of the
&xmin variable in the
A programmer should take care about variables used in base classes and about the fact that instance variables can also be accessed and changed from outside the class/instance e.g. by using
instancename.variablename in a
READ command or an assignment statement.