'Matt boggus' diaporamas de présentation

Pointers

Pointers. CSE 2451 Matt Boggus. Language comparison. C has pointers Java has references C++ has pointers and references. Pointers. Values of variables are stored in memory, at a particular location A location is identified and referenced with an address

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C code organization

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Memory allocation

Memory allocation. CSE 2451 Matt Boggus. sizeof. The sizeof unary operator will return the number of bytes reserved for a variable or data type. Determine: Returning the byte length of a data type Number of bytes reserved for a structure (user defined type)

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Pointer Arithmetic

Pointer Arithmetic. CSE 2541 Matt Boggus. Pointer definition. A variable whose value refers directly to (or "points to") another value stored elsewhere in the computer memory using its address Memory addresses Z + Positive, whole number Why do pointers have an associated type? Ex:

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Introduction to Design Patterns

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Introduction to Design Patterns

360 views • 10 slides