Memory Allocation
1
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Class Team { Player m_Roster[25]; int m_Count; |
void Team::PrintRoster() { //problem: if you need to access a member of this for(int i=0; i<M_nCount; i++) { //display what? M_Roster[i]; (dot) |
2
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Class Team { Player* m_Roster; int m_nCount; |
void Team::PrintRoster() { for(int i=0; i<M_nCount; i++) { //display what? M_Roster[i]; (dot)
Team::Team() { m_mcount – 0; M-PRoster = new Player [25]
Team :: ~Team() { delete [] m_pRoster; |
3
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Class Team { Player *m_Roster[25]; int m_nCount; |
void Team::PrintRoster() { for(int i=0; i<M_nCount; i++) { //display what? M_Roster[i]; (->)
Team::Team() { m_nCount = 0;
Team :: ~Team() { for(int i=0; i,m_nCount, i++) { delete m_pRoster[1]; |
4
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Class Team { Player** m_Roster; int m_nCount; |
void Team::PrintRoster() { for(int i=0; i<M_nCount; i++) { //display what? m_ppRoster[i]; (-> GetHRs()) //(-> pointer notation to reference the pointer, as opposed to the dot)
Team::Team() { m_nCount = 0; m_ppRoster = new Player*[25];
Team :: ~Team() { for(int i=0; i,m_nCount, i++) { delete m_ppRoster[1]; //deletes player objects } delete [] m_ppRoster; //deletes the pointer pointing to the player objects |
5
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int main() { int i=5; double d = 70; cout <<i<< ‘\o’ <<d<<endl; return 0; } //ostream cout -> system object //istream cin -> system object int main() { Player p; //p is initialized; cout << p.GetName() << p.GetPosition()<< p..GetNumber() << p.GetAB() << p.GetAvg() << p.GetRBI() << p.GetHRs() << endl; cout <<p } |
Class Player { private: char* m_szName; char* m_szNumber; position m_pos; int m_nAB; int m_nHits; int m_nRBIs; int m_nHRs; Public: char* GetName(); char* GetNumber(0; char* GetPositionName(); int GetRBIs(); int GetHRs(); int GetHits(); double GetAvg(): friend ostream& operator << (ostream& os, const Player&p); // return an ostream reference to int main couts -friend: -1st ostream&: return -operator<<: -ostream& os: cout -const player&p: refers to "p" |
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void Team :: PrintRoster() { for(inti = 0; i< m_nCount;i++) {
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ostream& operator << (ostream& os, const Player& p) { os << "Name: " << p.GetName(); os << "Number: " << p.GetNumber(); os << "Position: " << p.GetPositionName(); os << "Hits: " << p.GetHits(); os << "Average: " << p.GetAvg(); os << "RBIs: " << p.GetRBIs(); os << "Home Runs: " << p.GetHRs(): return os; } |
6
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Class Team { Player *m_Roster[25]; int m_nCount; |
void Team::PrintRoster() { for(int i=0; i<M_nCount; i++) { //display what? M_Roster[i]; (->)
Team::Team() { m_nCount = 0;
Team :: ~Team() { for(int i=0; i,m_nCount, i++) { delete m_pRoster[1]; |
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int main() [ Team+; //Players are added //stats added cout<<+; |
ostream& operator <<(osbream &os, const Team& +) { os << "Player: \+Number: \+Position: \+Hits: \+Avg: \+RBIs: \+HRs: \n"; os<< "___________________________________"; for(int i = 0; i < m_ncount; i++) { os << m_pRoster[i] << endl; } return 0s; } |
