20091123-Primitives-III

20091123-Primitives-III - Click to edit Master subtitle...

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Unformatted text preview: Click to edit Master subtitle style CSE115: Introduction to Computer Science I Dr. Carl Alphonce 219 Bell Hall Office hours: M-F 11:00-11:50 645-4739 alphonce@buffalo.edu Agenda Today: Primitives operator types floating point mixing types type casting and coercion wrapper classes Coming up: + is overloaded + is just a name + has different interpretations String concatenation integer addition addition of twos complement numbers floating point addition addition of IEEE754 numbers type of + In the following expression, what is the type of +? 5 + 2 mappings an operator / function maps from a domain set to a range set: DOMAIN RANGE + as int addition range is int domain is pairs of int DOMAIN int X int RANGE int int values: 0, 1, -1, 2, -2, maximum int: 2147483647 = +2(32-1)-1...
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20091123-Primitives-III - Click to edit Master subtitle...

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