1.
//头文件stock00.h
#ifndef STOCK00_H_
#define STOCK00_H_
#include<cstring>
// class definition...
1.
//头文件stock00.h
#ifndef STOCK00_H_
#define STOCK00_H_
#include<cstring>
// class definition
class BankAccount
{
private:
char name[40]; //or std::string name;
char acctnum[25]; //or std::string acctnum;
double balance;
public:
BankAccount(const char *client, const char *num, double bal = 0.0);
//or BankAccount(const std::string & client, const std::string & num,double bal=0.0);
void show(void) const;
void deposit(double cash);
void withdraw(double cash);
};
#endif
//类定义stock00.cpp
#include<iostream>
#include<cstring>
#include\"stock00.h\"
BankAccount::BankAccount(const char * client, const char * num, double bal)
{
strncpy(name, client,39); //直接赋值
name[39]=\'\\0\';
strncpy(acctnum, num,24);
acctnum[24]=\'\\0\';
balance = bal;
}
void BankAccount::deposit(double cash)
{
using std::cout;
if (cash < 0)
{
cout << \"Number of cash can\'t be negative.\\n\";
}
else
balance += cash;
}
void BankAccount::withdraw(double cash)
{
using std::cout;
if (cash < 0)
{
cout << \"Number of cash can\'t be negative.\\n\";
}
else if (cash > balance)
cout << \"You can\'t get more than you have!\\n\";
else
balance -= cash;
}
void BankAccount::show(void) const
{
std::cout << \"Name: \" << name << \'\\n\'
<< \"AcctNum: \" << acctnum << \'\\n\'
<< \"Balance: \" << balance << \'\\n\';
}
//主函数usestock0.cpp
#include<iostream>
#include \"stock00.h\"
int main()
{
using std::cout;
cout << \"Bank Account information:\\n\";
BankAccount b1(\"huangfu shuyun\", \"ZHT\", 1200);
b1.show();
BankAccount b2(\"zhao qian\", \"PTO\", 5000);
b2.show();
cout << \"\\nAfter a month:\\n\";
b1.deposit(1000);
b1.show();
b1.withdraw(2000);
b1.show();
b2.withdraw(500);
b2.show();
b2.deposit(2000);
b2.show();
return 0;
}
2.
//头文件stock00.h
#ifndef STOCK00_H_
#define STOCK00_H_
#include<string>
using namespace std;
// class definition
class Person
{
private:
static const int LIMIT = 25;
string lname; //Person\'s last name
char fname[LIMIT]; //Person\'s first name
public:
Person() { lname = \"\"; fname[0] = \'\\0\'; } //#1
Person(const string & ln, const char *fn = \"Heyyou\"); //#2
//the following methods display lname and fname
void Show() const; //firstname lastname format
void FormalShow() const; //lastname,firstname format
};
#endif
//类定义stock00.cpp
#include<iostream>
#include<string>
#include<cstring>
#include\"stock00.h\"
Person::Person(const string & ln,const char *fn)
{
lname = ln;
strcpy_s(fname, fn);
}
void Person::Show() const
{
std::cout << \"Full Name:\" << std::endl;
std::cout << fname << \" \" << lname << std::endl;
}
void Person::FormalShow() const
{
std::cout << \"Formal Name:\" << std::endl;
std::cout << lname << \" \" << fname << std::endl;
}
//主函数usestock0.cpp
#include<iostream>
#include<string>
#include<cstring>
#include\"stock00.h\"
int main()
{
using std::cout;
using std::endl;
Person one;
one.Show();
cout << endl;
one.FormalShow();
cout << endl;
Person two(\"Smythecraft\");
two.Show();
cout << endl;
two.FormalShow();
cout << endl;
Person three(\"Dimwdiddy\", \"Sam\");
three.Show();
cout << endl;
three.FormalShow();
cout << endl;
return 0;
}
3.
//头文件stock00.h
#ifndef STOCK00_H_
#define STOCK00_H_
//class definition
using namespace std;
const int Len = 40;
class Golf{
private:
char fullname[Len];
int handicap;
public:
Golf(char *name, int hc=0);
int setgolf();
void sethandicap(int hc);
void showgolf()const;
};
#endif
//类定义stock00.cpp
#include<iostream>
#include<cstring>
#include \"stock00.h\"
Golf::Golf(char *name, int hc)
{
strcpy_s(fullname, name);
handicap = hc;
}
int Golf::setgolf()
{
using std::cout;
using std::endl;
static int i = 0; //静态变量
cout << \"#\" << ++i << \":\\n\";
cout << \"Please enter the name: \";
cin.getline(fullname, Len);
cout << \"Please enter the grade:\";
cin >> handicap;
cin.get();
Golf g(fullname, handicap);
*this = g;
return fullname==\"\"?0:1; //判断是否为空行
}
void Golf::sethandicap(int hc)
{
handicap = hc;
}
void Golf::showgolf()const
{
using std::cout;
using std::endl;
cout << \"The name of golf is: \" << fullname << endl;
cout << \"The grade of golf is: \" << handicap << endl;
}
//主函数usestock0.cpp
#include<iostream>
#include\"stock00.h\"
int main()
{
using std::cout;
using std::endl;
Golf g(\"huangfu shuyun\", 20);
g.showgolf();
cout << endl;
g.setgolf();
cout << endl;
g.showgolf();
cout << endl;
g.sethandicap(100);
g.showgolf();
return 0;
}
4.
//头文件stock00.h
#ifndef STOCK00_H_
#define STOCK00_H_
namespace SALES //将类保留在名称空间中
{
const int QUARTERS = 4;
class Sales
{
private:
double sales[QUARTERS];
double average;
double max;
double min;
public:
Sales();
Sales(const double *ar, int n);
void setSales();
void showSales() const;
};
}
#endif
//类定义stock00.cpp
#include<iostream>
#include \"stock00.h\"
//类函数位于名称空间SALES中
SALES::Sales::Sales()
{
for (int i = 0; i < QUARTERS; i++)
sales[i] = 0;
average = 0;
max = 0;
min = 0;
}
SALES::Sales::Sales(const double *ar, int n)
{
double sum = 0.0;
for (int i = 0; i < n; i++)
{
sales[i] = ar[i];
sum += sales[i];
}
average = sum / n;
max = min = sales[0];
for (int i = 0; i < n; i++)
{
if (max < sales[i])
max = sales[i];
if (min > sales[i])
min = sales[i];
}
}
void SALES::Sales::setSales()
{
std::cout << \"Please enter sales:\";
double sum = 0.0;
for (int i = 0; i < QUARTERS; i++)
{
std::cin >> sales[i];
sum += sales[i];
}
std::cin.get();
average = sum / QUARTERS;
max = min = sales[0];
for (int i = 0; i < QUARTERS; i++)
{
if (max < sales[i])
max = sales[i];
if (min > sales[i])
min = sales[i];
}
}
void SALES::Sales::showSales() const
{
for (int i = 0; i < QUARTERS; i++)
std::cout <<sales[i] << \" \" << std::endl;
std::cout << \"The average is:\" << average << std::endl;
std::cout << \"The max is:\" << max << std::endl;
std::cout << \"The min is:\" << min << std::endl;
}
//主函数usestock0.cpp
#include<iostream>
#include\"stock00.h\"
const int ArSize = 4;
int main()
{
using std::cin;
using std::cout;
using std::endl;
double a[ArSize];
cout << \"Please enter numbers:\";
for (int i = 0; i < ArSize; i++)
cin >> a[i];
SALES::Sales s(a, ArSize);
s.showSales();
s.setSales();
s.showSales();
return 0;
}
5.
//头文件stock00.h 从程序清单10.10改写而来
#ifndef STOCK00_H_
#define STOCK00_H_
struct customer { //结构声明
char fullname[35];
double payment;
};
typedef customer Item; //类型别名声明
class Stack
{
private:
enum { MAX = 10 };
Item items[MAX];
int top;
public:
Stack();
bool isempty() const;
bool isfull() const;
bool push(const Item & item);
bool pop(Item & item);
};
#endif
//类定义stock00.cpp
#include<iostream>
#include \"stock00.h\"
Stack::Stack() //产生空栈
{
top = 0;
}
bool Stack::isempty() const
{
return top == 0;
}
bool Stack::isfull() const
{
return top == MAX;
}
bool Stack::push(const Item & item)
{
if (top < MAX)
{
items[top++] = item;
return true;
}
else
return false;
}
bool Stack::pop(Item & item)
{
if (top > 0)
{
item = items[--top];
return true;
}
else
return false;
}
//主函数usestock0.cpp
#include<iostream>
#include<cctype>
#include\"stock00.h\"
int main()
{
using namespace std;
double payment=0;
Stack st; //创建一个空栈
char ch;
Item po;
cout << \"Please enter A to add a purchase order,\\n\"
<< \"P to process a PO, or Q to quit.\\n\";
while (cin >> ch&&toupper(ch) != \'Q\') //Q,q退出
{
while (cin.get() != \'\\n\')
continue;
if (!isalpha(ch))
{
cout << \'\\a\';
continue;
}
switch (ch)
{
case \'A\':
case \'a\':cout << \"Enter a PO fullname:\";
cin.getline(po.fullname,40);
cout << \"Enter a PO number to add:\";
cin >> po.payment;
cin.get();
if (st.isfull())
cout << \"stack already full\\n\";
else
st.push(po);
break;
case \'P\':
case \'p\':if (st.isempty())
cout << \"stack already empty\\n\";
else {
st.pop(po);
cout << \"PO:\" << po.fullname << \" payment:\" << po.payment << \" popped.\\n\";
payment += po.payment;
cout << \"The total of payment is:\" << payment << endl;
}
break;
}
cout << \"Please enter A to add a purchase order,\\n\"
<< \"P to process a PO, or Q to quit.\\n\";
}
cout << \"Bye\\n\";
return 0;
}
6.
//头文件stock00.h
#ifndef STOCK00_H_
#define STOCK00_H_
using namespace std;
// class definition
class Move
{
private:
double x;
double y;
public:
Move(double a = 0, double b = 0); //sets x,y to a,b
void showmove() const; //shows current x,y values
Move add(const Move &m) const;
void reset(double a = 0, double b = 0);
};
#endif
//类定义stock00.cpp
#include<iostream>
#include<cstring>
#include\"stock00.h\"
Move::Move(double a, double b)
{
x = a;
y = b;
}
void Move::showmove() const
{
using std::cout;
using std::endl;
cout << \"Please show current x,y values: \" << x << \" \" << y << endl;
}
Move Move::add(const Move &m) const
{
return Move(x + m.x, y + m.y);
}
void Move::reset(double a , double b)
{
x = a;
y = b;
}
//主函数usestock0.cpp
#include<iostream>
#include\"stock00.h\"
int main()
{
using std::cout;
using std::endl;
Move m1(1, 2);
Move m2(2, 3);
Move m3(-1, -1);
cout << \"The first place:\\n\";
m1.showmove();
cout << \"Move m2:\\n\";
m1.add(m2).showmove();
cout << \"Then move m3:\\n\";
m1.add(m2).add(m3).showmove();
cout << \"Place reset:\\n\";
m1.reset();
m1.showmove();
return 0;
}
7.
//头文件stock00.h
#ifndef STOCK00_H_
#define STOCK00_H_
//class definition
using namespace std;
class Plorg
{
private:
string name; //char name[20];
int CI;
public:
Plorg(string name=\"Plorga\" , int CI = 50); //默认构造参数
//Plorg(char name[20]=\"Plorga\" , int CI = 50);
void update(const int & n);
void show() const;
};
#endif
//类定义stock00.cpp
#include<iostream>
#include<string>
#include<cstring>
#include\"stock00.h\"
Plorg::Plorg(string m , int n) //Plorg::Plorg(char * m , int n)
{
name = m; //strcpy(name,m); 字符数组的赋值
CI = n;
}
void Plorg::update(const int & n)
{
CI = n;
}
void Plorg::show() const
{
using std::cout;
using std::endl;
cout << \"Please show the name and CI of Plorg: \" << endl;
cout << \"name: \" << name << \" CI: \" << CI << endl;
}
//主函数usestock0.cpp
#include<iostream>
#include<string>
#include<cstring>
#include\"stock00.h\"
int main()
{
using std::cout;
using std::endl;
Plorg m1;
m1.show();
string s; //char s[20];
int n;
cout << \"Please enter the plorg name:\";
getline(cin, s); //cin.getline(s,20);
cout << \"Please enter the CI:\";
cin >> n;
Plorg m2(s, n);
m2.show();
int count;
cout << \"Please enter the CI:\";
cin >> count;
m1.update(count);
m1.show();
return 0;
}
8.参考网上代码：
//头文件stock00.h 类定义
#ifndef STOCK00_H_
#define STOCK00_H_
typedef int Item; //类型别名声明
class List
{
private:
enum { MAX = 10 };
Item items[MAX];
int top;
public:
List() { top = 0; }
bool isempty() const;
bool isfull() const;
bool add(const Item item);
void visit(void(*pf)(Item & item));
};
#endif
//类方法实现stock00.cpp
#include<iostream>
#include \"stock00.h\"
bool List::isempty() const
{
return top == 0;
}
bool List::isfull() const
{
return top == MAX;
}
bool List::add(const Item item)
{
if (top < MAX)
{
items[top++] = item;
return true;
}
else
return false;
}
void List::visit(void(*pf)(Item & item))
{
std::cout << \"\\nDisplay the item:\\n\";
for (int i = 0; i < top; i++)
(*pf)(items[i]); //显示每个item
}
//主函数usestock0.cpp
#include<iostream>
#include<string>
#include<cctype>
#include\"stock00.h\"
using namespace std;
void func(Item & item);//函数声明
int main()
{
List st;
string str;
cout << \"At first:\" << endl;
if (st.isempty() == 1)
str = \"Yes!\";
if (st.isempty() == 0)
str = \"No!\";
cout << \"isempty? \" << str << endl;
if (st.isfull() == 1)
str = \"Yes!\";
if (st.isfull() == 0)
str = \"No!\";
cout << \"isfull? \" << str<<endl;
st.add(1);
st.add(2);
st.add(3);
st.add(4);
cout << \"\\nNow:\" << endl;
if (st.isempty() == 1)
str = \"Yes!\";
if (st.isempty() == 0)
str = \"No!\";
cout << \"isempty? \" << str << endl;
if (st.isfull() == 1)
str = \"Yes!\";
if (st.isfull() == 0)
str = \"No!\";
cout << \"isfull? \" << str << endl;
void(*pf)(Item & item);
pf = func;
st.visit(pf);
system(\"pause\"); //显示暂停
return 0;
}
void func(Item & item)
{
cout << item << endl;
}
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