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Graphics Interchange Format  |  2002-01-15  |  9KB  |  719x539  |  4-bit (3 colors)

Labels: clock | crt screen | heart | monitor | sky | true anomaly
OCR: Object- Oriented Programming Classes Arranged in a class hierarchy Subclass superclass Instance- -of Structure (instance variables) is inherited. Behavior (methods} 1S inherited. Lots of predefined classes in Smalltalk Squeak. Object Number Person Other User-defined Classes Integer Float Student Employee HArTT Porter 2001 Hart

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