Art:

You write:
A ContainerClass must implement the following methods in order to be used in a RepetitionClass: 

void addElement(RepeatedPartType); 

synchronized Enumeration elements();

Why is addElement not synchronized?
If two elements are added simultaneously, couldn't one be lost?

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In /proj/asl/lieber/f96/com3360/ahuston/example
please can you put in all the code generated by the modified
Demeter/Java, specifically the *.java files.
This serves as a good example.
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You write:

if (o instanceof repeatedpartype) { 

repeatedparttype repeatedpartpartname = (Value) o; 

repeatedpartname.traversal_name(visitorargname); 

} 

What is Value?

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Can you add a second example where the user defines his own
container class with the required interface and uses it in
a repetition class?

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Please can you give me step-by-step instructions how I need to
change my set-up to run your new version of Demeter/Java.

-- Karl