cs246-s11-001-june21

cs246-s11-001-june21 - CS 246(Spring 2011 Section 1 Tuesday...

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CS 246 (Spring 2011) – Section 1 Tuesday 21 June Random Numbers, Static Members, Declaration Before Use
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CS 246 (Spring 2011) - Section 001 - Tuesday 21 June 2 Today's Agenda Notes about the midterm Brief review of last class The equality operator 2.18.6 Initialization 2.18.7 Static member 2.19 Random numbers 2.20 Declaration before use 2.21 Encapsulation (introduction)
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CS 246 (Spring 2011) - Section 001 - Tuesday 21 June 3 Last Class The copy constructor Job(const Job &theJob) { . . . } Used with initialization (a newly-allocated object) e.g., Job j1 = j2; The assignment routine Job &operator=(const Job &theJob) { . . . } Used with assignment (an already-allocated object) e.g., j3 = j4; Implicitly defined, but you can define your own Shallow copy vs. deep copy
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CS 246 (Spring 2011) - Section 001 - Tuesday 21 June 4 The equality operator Note about checking equality with a deep copy struct Varray { // variable-sized array unsigned int size; int *a; Varray( unsigned int s ) { size = s; a = new int[size]; } // copy constructor omitted
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