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Critics concerning attributes of classes.
The current version of ArgoUML has the following critics
in this category.
Add Instance Variables to a Class
Suggestion that no instance variables have been
specified for the given class. Such classes may be created to
specify static attributes and methods, but by convention
should then be given the stereotype
Add a Constructor to a Class
You have not yet defined a constructor for class
class. Constructors initialize new
instances such that their attributes have valid values. This
class probably needs a constructor because not all of its
attributes have initial values.
Defining good constructors is key to establishing class
invariants, and class invariants are a powerful aid in
writing solid code.
To fix this, add a constructor manually by clicking on
class in the explorer and adding an
operation using the context sensitive pop-up menu in the
property tab, or select class where it
appears on a class diagram and use the
In the UML 1.4 standard, a constructor is an operation
with the stereotype «create». Although not strictly standard,
ArgoUML will also accept «Create» as a stereotype for
By convention in Java and C++ a constructor has the
same name as the class, is not static, and returns no value.
ArgoUML will also accept any operation that follows these
conventions as a constructor even if it is not stereotyped
Operators are created in ArgoUML with a default
return parameter (named
will need to remove this parameter to meet the Java/C++
Reduce Attributes on a Class
Suggestion that the class has too many attributes for a
good design, and is at risk of becoming a design
The Wizard of this critic allows setting of the treshold,
i.e. the maximum number of attributes
allowed before this critic fires.
This number is not stored persistently, and
there is no way to reduce it after it has been set higher,
except by creating more attributes until the critic fires again.
Restarting ArgoUML resets this number to its default: 7.