Sams Teach Yourself C++ in 21 Days

91: cout << “GrowingClass(3):” << endl;

92: ShowVector(GrowingClass);

93:

94: GrowingClass[0] = Harry;

95: GrowingClass[1] = Sally;

96: GrowingClass[2] = Bill;

97: cout << “GrowingClass(3) after assigning students:” << endl;

98: ShowVector(GrowingClass);

99:

100: GrowingClass.push_back(Peter);

101: cout << “GrowingClass() after added 4th student:” << endl;

102: ShowVector(GrowingClass);

103:

104: GrowingClass[0].SetName(“Harry”);

105: GrowingClass[0].SetAge(18);

106: cout << “GrowingClass() after Set\n:”;

107: ShowVector(GrowingClass);

108:

109: return 0;

110: }

111:

112: //

113: // Display vector properties

114: //

115: template<class T>

116: void ShowVector(const vector<T>& v)

117: {

118: cout << “max_size() = “ << v.max_size();

119: cout << “\tsize() = “ << v.size();

120: cout << “\tcapacity() = “ << v.capacity();

121: cout << “\t” << (v.empty()? “empty”: “not empty”);

122: cout << endl;

123:

124: for (int i = 0; i < v.size(); ++i)

125: cout << v[i] << endl;

126:

127: cout << endl;

128: }

EmptyClass:

max_size() = 214748364 size() = 0 capacity() = 0 empty

GrowingClass(3):

max_size() = 214748364 size() = 3 capacity() = 3 not empty

New Student is 16 years old

New Student is 16 years old

New Student is 16 years old

OUTPUT

698 Day 19

LISTING19.8 continued