试题五(共15分)
阅读以下说明和C++代码,填补C++代码中的空缺(1)~(6),将解答写在答题纸的对应栏内。
【说明】
已知某公司按周给员工发放工资,其工资系统需记录每名员工的员工号、姓名、工资等信息。其中一些员工是正式的,按年薪分周发放(每年按52周计算);另一些员工是计时工,以小时工资为基准,按每周工作小时数核算发放。
下面是实现该工资系统的C++代码,其中定义了四个类:工资系统类PayRoll,员工类Employee,正式工类Salaried和计时工类Hourly,Salaried和Hourly是Employee的子类。
【C++代码】
//头文件和域名空间略
const int EMPLOYEE_NUM=5;
class Employee{
protected:
int empCode; ∥员工号
string name; ∥员工姓名
double salary; ∥周发放工资
public:
Employee( const int empCode, const string &name){
this->empCode= empCode; this->name= name;
}
virtual~Employee(){}
virtual void pay()=0;
double getSalary(){ return this->salary; }
};
class Salaried (1){
private: double payRate; //年薪
public:
Salaried(const int empCode,const string &name,double payRate)
:Employee(empCode,name){
this->payRate= payRate;
}
void pay(){
this->salary=(2) ;//计算正式员工的周发放工资数
cout< } }; class Hourly (3) { private: double payRate; //小时工资数 int hours; //周工作小时数 public: Hourly(const int empCode, const string &name, int hours, double payRate) :Employee(empCode,name){ this->payRate= payRate; this->hours= hours, } void pay(){ this->salary= (4) ;//计算计时工的周发放工资数 cout< } }; class PayRoll{ public: void pay(Employee* e[]){ for (int i=0;i e[i]->pay(); } } }; int main(){ PayRoll* payRoll= new PayRoll; (5)employees[EMPLOYEE_ NUM]={ new Salaried(l00l,"Zhang San", 58000.00), //此处省略对其他职工对象的生成 new Hourly(1005,"L1", 12, 50.00), }; payRoll->pay ( (6) ); double total= 0.0; for (int i=0;i< EMPLOYEE_NUM; i++) { total+=employees[il->getSalary(); } //统计周发放工资总额 cout<<"总发放额="< delete payRoll; retum 0; }
试题六(共15分)
阅读以下说明和Java代码,填补Java代码中的空缺(1)~(6),将解答写在答题纸的对应栏内。
【说明】
己知某公司按周给员工发放工资,其工资系统需记录每名员工的员工号、姓名、工资等信息。其中一些员工是正式的,按年薪分周发放(每年按52周计算);另一些员工是计时工,以小时工资为基准,按每周工作小时数核算发放。
下面是实现该工资系统的Java代码,其中定义了四个类:工资系统类PayRoll,员工类Employee,正式工类Salaried和计时工类Hourly,Salaried和Hourly是Employee的子类。
【Java代码】
abstract class Employee{
protected String name; //员工姓名
protected int empCode; //员工号
protected double salary; //周发放工资
public Employee(int empCode, String name){
this.empCode= empCode;
this.name= name;
}
public double getSalary(){
return this.salary;
}
public abstract void pay();
}
class Salaried (1) Employee{
private double annualSalary;
Salaried(int empCode, String name, double payRate){
super(empCode, name);
this.annualSalary= payRate;
}
public void pay(){
salary= (2) ;//计算正式员工的周发放工资数
System.out.println(this.name+":"+this.salary);
}
}
class Hourly (3) Employee{
private double hourlyPayRate;
private int hours;
Hourly(int empCode, String name, int hours, double payRate){
super(empCode, name);
this.hourlyPayRate= payRate;
this.hows= hours,
}
public void pay(){
salary= (4) ;//计算计时工的周发放工资数
System.out.println(this.name+":"+this.salary);
}
}
public class PayRoll{
private (5) employees[]={
new Salaried(l001,"Zhang San", 58000.00),
//此处省略对其他职工对象的生成
new Hourly(1005,"Li", 12, 50.00)
};
public void pay(Employee e[]){
for (int i=0;i e[i].pay(); } } public static void main(String[] args) { PayRoll payRoll= new PayRoll(); payRoll.pay( (6) ); double total= 0.0; for (int i=0;i total+=payRoll.employees[i].getSalary(); } System.out.println(total); } }