Book contents
- Frontmatter
- Contents
- FOREWORD
- PREFACE
- INTRODUCTION
- 1 A DIAGRAM FOR OBJECT-ORIENTED PROGRAMS
- 2 CONSTRUCTING ABSTRACTIONS FOR OBJECT-ORIENTED APPLICATIONS
- 3 PLAYRGOUND: AN OBJECT ORIENTED SIMULATION SYSTEM WITH AGENT RULES FOR CHILDREN OF ALL AGES
- 4 A LABORATORY FOR TEACHING OBJECT-ORIENTED THINKING
- 5 THINK LIKE AN OBJECT
- 6 WHY STUDY SMALLTALK IDIOMS?
- 7 THE DREADED SUPER
- 8 ABSTRACT CONTROL IDIOMS
- 9 VALUEMODEL IDIOMS
- 10 COLLECTION IDIOMS
- 11 AN OBJECTWORKS\SMALLTALK 4.1 WRAPPER IDIOM
- 12 A SHORT INTRODUCTION TO PATTERN LANGUAGE
- 13 WHOLE LOTTA SMALLTALK: THE TECHNOLOGY
- 14 INSTANCE-SPECIFIC BEHAVIOR: HOW AND WHY
- 15 INSTANCE-SPECIFIC BEHAVIOR: DIGITALK IMPLEMENTATION AND THE DEEPER MEANING OF IT ALL
- 16 TO ACCESSOR OR NOT TO ACCESSOR
- 17 INHERITANCE: THE REST OF THE STORY
- 18 INHERITANCE: THE REST OF THE STORY (CONT.)
- 19 HELPER METHODS AVOID UNWANTED INHERITANCE
- 20 IT'S NOT JUST THE CASE
- 21 CRC: FINDING OBJECTS THE EASY WAY
- 22 DEATH TO CASE STATEMENTS
- 23 WHERE DO OBJECTS COME FROM?
- 24 PATTERNS AND SOFTWARE DEVELOPMENT
- 25 DISTRIBUTED SMALLTALK
- 26 WHERE DO OBJECTS COME FROM? FROM VARIABLES AND METHODS
- 27 BIRDS, BEES, AND BROWSERS—OBVIOUS SOURCES OF OBJECTS
- 28 USING PATTERNS: DESIGN
- 29 PATTERNS GENERATE ARCHITECTURES
- 30 SIMPLE SMALLTALK TESTING
- 31 ARCHITECTURAL PROTOTYPE: TELEVISION REMOTE CONTROL
- 32 DEMAND LOADING FOR VISUALWORKS
- 33 GARBAGE COLLECTION REVEALED
- 34 WHAT? WHAT HAPPENED TO GARBAGE COLLECTION?
- 35 SUPER + 1
- 36 CLEAN CODE: PIPE DREAM OR STATE OF MIND?
- 37 A MODEST META PROPOSAL
- 38 USES OF VARIABLES: TEMPS
- 39 VARIABLES OF THE WORLD
- 40 PATTERNS 101
- 41 FAREWELL AND A WOOD PILE
- AFTERWORD
- INDEX
3 - PLAYRGOUND: AN OBJECT ORIENTED SIMULATION SYSTEM WITH AGENT RULES FOR CHILDREN OF ALL AGES
OOPSLA '89 Proceedings
Published online by Cambridge University Press: 04 August 2010
- Frontmatter
- Contents
- FOREWORD
- PREFACE
- INTRODUCTION
- 1 A DIAGRAM FOR OBJECT-ORIENTED PROGRAMS
- 2 CONSTRUCTING ABSTRACTIONS FOR OBJECT-ORIENTED APPLICATIONS
- 3 PLAYRGOUND: AN OBJECT ORIENTED SIMULATION SYSTEM WITH AGENT RULES FOR CHILDREN OF ALL AGES
- 4 A LABORATORY FOR TEACHING OBJECT-ORIENTED THINKING
- 5 THINK LIKE AN OBJECT
- 6 WHY STUDY SMALLTALK IDIOMS?
- 7 THE DREADED SUPER
- 8 ABSTRACT CONTROL IDIOMS
- 9 VALUEMODEL IDIOMS
- 10 COLLECTION IDIOMS
- 11 AN OBJECTWORKS\SMALLTALK 4.1 WRAPPER IDIOM
- 12 A SHORT INTRODUCTION TO PATTERN LANGUAGE
- 13 WHOLE LOTTA SMALLTALK: THE TECHNOLOGY
- 14 INSTANCE-SPECIFIC BEHAVIOR: HOW AND WHY
- 15 INSTANCE-SPECIFIC BEHAVIOR: DIGITALK IMPLEMENTATION AND THE DEEPER MEANING OF IT ALL
- 16 TO ACCESSOR OR NOT TO ACCESSOR
- 17 INHERITANCE: THE REST OF THE STORY
- 18 INHERITANCE: THE REST OF THE STORY (CONT.)
- 19 HELPER METHODS AVOID UNWANTED INHERITANCE
- 20 IT'S NOT JUST THE CASE
- 21 CRC: FINDING OBJECTS THE EASY WAY
- 22 DEATH TO CASE STATEMENTS
- 23 WHERE DO OBJECTS COME FROM?
- 24 PATTERNS AND SOFTWARE DEVELOPMENT
- 25 DISTRIBUTED SMALLTALK
- 26 WHERE DO OBJECTS COME FROM? FROM VARIABLES AND METHODS
- 27 BIRDS, BEES, AND BROWSERS—OBVIOUS SOURCES OF OBJECTS
- 28 USING PATTERNS: DESIGN
- 29 PATTERNS GENERATE ARCHITECTURES
- 30 SIMPLE SMALLTALK TESTING
- 31 ARCHITECTURAL PROTOTYPE: TELEVISION REMOTE CONTROL
- 32 DEMAND LOADING FOR VISUALWORKS
- 33 GARBAGE COLLECTION REVEALED
- 34 WHAT? WHAT HAPPENED TO GARBAGE COLLECTION?
- 35 SUPER + 1
- 36 CLEAN CODE: PIPE DREAM OR STATE OF MIND?
- 37 A MODEST META PROPOSAL
- 38 USES OF VARIABLES: TEMPS
- 39 VARIABLES OF THE WORLD
- 40 PATTERNS 101
- 41 FAREWELL AND A WOOD PILE
- AFTERWORD
- INDEX
Summary
I got my name on this paper kind of by accident. I was a late arrival on the Vivarium project. Jay Fenton had been doing some very interesting work on programming languages for kids. He wanted to write something up for OOPSLA. I offered to help him.
I ended up reorganizing the paper enough that he offered to put my name on as an author. I felt a little funny, especially since the paper had been accepted with only Jay's name and I was the program chair and besides, I already had another paper in the conference, but I accepted anyway.
The next year, I was on the ECOOP program committee. We had our meeting in Paris. I remember eating lunch in the Xerox cafeteria. Next to me sat a bright, eager Ph.D. student. He began grilling me about the paper and the research behind it. Turns out his class had been given the assignment of figuring out how they would extend existing research, and the Playground paper was one of the three they could pick to extend. This was a shock, because I don't consider myself a scholar. Really I'm more of a talkative engineer. However, it was fun to be noticed.
Technically, I'm amazed at the prescience of Playground. Alan Kay was absolutely convinced that direct control structures, like Smalltalk's message send, would run out of gas and that “pulling” -style would come into vogue (even though the Internet apps call it “pushing”).
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- Kent Beck's Guide to Better SmalltalkA Sorted Collection, pp. 25 - 50Publisher: Cambridge University PressPrint publication year: 1997