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08 lecture (midterm 2 review)

# 08 lecture (midterm 2 review) - 2 write the complete...

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5/16/08 Midterm 2 Chapter 5: -be able to write or analyze/find errors in functions -know the difference between value parameters and reference parameters (***look up passing reference parameters) - return valves/return types -function calls Chapter 6: -Be able to write or analyze/find errors in class code (or code that uses functionality of a class) -constructors/member functions/ dot-notation -data field access -implicit parameters vs. explicit parameters Chapter 7: - understand for and do and while loops - understand loops within loops (nested combinations) -section 7.8 on processing input -section 7.9 on simulation Chapter 9: -understand vectors and how to use them in functions and class codes -know how to write and analyze/find errors in code involving vectors -push_back, pop_back, and size practice quiz: 1)write the output of the code below: int func2 (int & c) { c = 2; return c; } int func1 (int b) { func2 (b); return b; }

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int main() { int a = 1; int b = func1 (a); cout<< a << " " << b << "\n"; return 0; } //this code would output "1 2"
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Unformatted text preview: 2) write the complete student class ( 2 fields, one int and one string). include defalt and regular constructor. include and accessor in each field. Class Student { public: Student ( ); Student (int a, string b); string get_name () const; int get_score () const; private: int score; string name; }; Student:: Student () { name = " "; score = 0; } Student:: Student( int a, string b) { score = a; name = b; } 3) write the output int main() { vector <int> z(6); z[0] = 23; z[1] = 77; z[2] = 41; z[3] = 98; z[4] = 46 ; z[5] = 62; for (int i = 5; i>0; i-2) { z.pushback (z [ i ] ); } z.pop_back( z [ i ] ); cout << z[ z.size( )-1 ] << "\n"; return 0; } this code outputs 98. first it adds 77, then gets rid of it and then outputs the last number of the set. 4) write dow every combination of the statements that can execute int main() { if (condition 1) statement 1 if (condition 2) statement 2 else statement 3 return 0; } //the possible combinations would be:-1 and 2-1 and 3-2-3...
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