| • Getting started: | | Starting to explore GNU Smalltalk
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| • Some classes: | | Using some of the Smalltalk classes
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| • The hierarchy: | | The Smalltalk class hierarchy
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| • Creating classes: | | Creating a new class of objects
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| • Creating subclasses: | | Adding subclasses to another class
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| • Code blocks (I): | | Control structures in Smalltalk
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| • Code blocks (II): | | Guess what? More control structures
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| • Debugging: | | Things go bad in Smalltalk too!
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| • More subclassing: | | Coexisting in the class hierarchy
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| • Streams: | | A powerful abstraction useful in scripts
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| • Exception handling: | | More sophisticated error handling
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| • Behind the scenes: | | Some nice stuff from the Smalltalk innards
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| • And now: | | Some final words
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| • The syntax: | | For the most die-hard computer scientists
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