Outline - PREOP

glintplainvilleΛογισμικό & κατασκευή λογ/κού

18 Νοε 2013 (πριν από 3 χρόνια και 8 μήνες)

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Care and Feeding


Lab handout (how to do the square step


Lab report (collect)


Syllabus (collect)


Blue sheets (collect)

1. Walk though
syllabus, hand out blue forms. Introduce lab assistants.

An Editorial Comment on Alice a
nd Object
Oriented Programming


Alice is not an object
oriented programming (OOP) language

While Alice is an outstanding product for teaching object
based programming, Alice is not an
oriented pr
ogramming language.

Unfortunately, much of what you read about Alice on the web strongly implies that Alice is
an object
oriented programming language. In fact, as of this writing, the FAQ on the main
Alice website contain the following statement:

e is a modern programming environment designed to be a student's first exposure to
oriented programming."

While that statement may be mushy enough to preserve "truth in advertising," in my
opinion, it is very misleading, particularly to those who d
on't understand the rigors of OOP.

Alice is object
based but not object

In my opinion, while Alice is an object
based programming language, it definitely is not an
oriented programming language. Insofar as the big picture is concerned, a

true OOP
language must make the following features available to the programmer:




While Alice does support encapsulation, and does make a weak gesture towards making
inheritance available to the Alice programmer, the
re is no semblance of support for

Insofar as the detailed picture is concerned, there are numerous detailed features (such at
type casting) that are expected from a true OOP language which are not available in Alice.

Alice is an outstanding

based teaching environment

That having been said, Alice is an outstanding object
based teaching and learning
environment. In and of itself, the Alice development environment, which is a program that
was apparently written in Java, is an outstandi
ng object
oriented program. Obviously, it was
developed by persons having tremendous OOP skills.

Makes producing 3D graphics a breeze

The Alice program makes it possible for you to learn in a few months how to write 3D
animation programs that would prob
ably require you to study for years if you were
programming in hard
core Java instead of using a Java program to write your programs in

However, the fact that the Alice program is object
oriented doesn't mean that what you are
able to produce using

Alice will be object

The bottom line

While Alice is not a fully object
oriented programming environment, it is object
based and
therefore is very suitable for getting you started down the road towards object

However, ju
st because you can learn to create credible animations and modest games using
Alice within a few months, don't believe what you read about Alice and tell a prospective
employer that you understand OOP. If you do, and if your object
oriented background is
based solely on Alice, you may be in for a rude awakening later.

On the other hand, please don't let this dose of reality discourage you. Alice is a great place
to begin learning how to write computer programs. But please plan to continue on beyond
e once you have it mastered.

Demonstrate s
tarting Alice (run as administrator)

4. Run tutorial within Alice

5. Collect blue sheets

6. Discuss Create robots Care and Feeding Document

7. Demonstrate robot moving in a square

8. Hand out robots, lab
handout and
lab report