Question

C++

Program 2 Consider a class Employee with data members: age (an integer), id (an integer) and salary (a float), and their corresponding member functions as follows: class Employee { private: int age; int id; float salary: public: Employee; // default constructor: age=0, id=0, and salary=0 void setAge(int x); // let age = x void setId(int x); // let id = x void setSalary(float x); // salary = x int getAge(); // return age int getId; // return id float getSalary; // return salary }; You need to provide the definition of the default constructor and the first three member functions (setAge, setId and setSalary) inside the scope defined by the brackets of class Employee and other three member functions (getAge, getId, and getSalary) outside the scope defined by the brackets of class Employee, as shown in the following skeleton: class Employee { Employee () { .. } void setAge (int x) { ......... } void setId(int x) { ... } void setsalary(float x) { } }; int Employee::getAge ( ) {

Answer 1

Short Summary:

• Implmented Employee class and main method as desribed.

Source Code:

#include <iostream>
using namespace std;

class Employee
{
private:
int age;
int id;
float salary;
public:
Employee(){
age = 0;
id = 0;
salary = 0;
}
  
void setAge(int x){
age = x;
}
  
void setId(int x){
id = x;
}
  
void setSalary(float x){
salary = x;
}
  
int getAge();
int getId();
float getSalary();
};

// outside of class - member function definition
int Employee::getAge(){
return age;
}

int Employee::getId(){
return id;
}

float Employee::getSalary(){
return salary;
}

void PrintEmployee(Employee x[2][3], int length1, int length2);
int main()
{
// Create an array if Employee with two elements
Employee x[2][3];
  
// set the values for all the elementsof te array by using public member functions
x[0][0].setAge(30);
x[0][0].setId(111);
x[0][0].setSalary(30000);
  
x[0][1].setAge(31);
x[0][1].setId(112);
x[0][1].setSalary(31000);
  
x[0][2].setAge(32);
x[0][2].setId(113);
x[0][2].setSalary(32000);
  
x[1][0].setAge(33);
x[1][0].setId(114);
x[1][0].setSalary(33000);
  
x[1][1].setAge(34);
x[1][1].setId(115);
x[1][1].setSalary(34000);
  
x[1][2].setAge(35);
x[1][2].setId(116);
x[1][2].setSalary(35000);
  
// call PrintEmployee() with a proper parameter list
PrintEmployee(x, 2, 3);
  
return 0;
}

// Print Employees
void PrintEmployee(Employee x[2][3], int length1, int length2){
int totalAge = 0;
float totalSalary = 0;
// iterate through the length1 and length2
for(int row = 0; row < length1; row++){
for(int column = 0; column < length2; column++){
// use public methods to print the results
cout << "Age: " << x[row][column].getAge()
<< " ID: " << x[row][column].getId()
<< " Salary: $" << x[row][column].getSalary() << endl;
// add age and Salary to running totals
totalAge += x[row][column].getAge();
totalSalary += x[row][column].getSalary();
}
}
int totalEmployees = length1 * length2;
// Print Average age and Salary
cout << endl << endl << "Average Age: " << totalAge / totalEmployees << endl;
cout << "Average Salary: $" << totalSalary / totalEmployees << endl;
}

Sample Run:

Age: 30 ID: 111 Salary: $30000 Age: 31 ID: 112 Salary: $31000 Age: 32 ID: 113 Salary: $32000 Age: 33 ID: 114 Salary: $33000 Age: 34 ID: 115 Salary: $34000 Age: 35 ID: 116 Salary: $35000 Average Age: 32 Average Salary: $32500 -- Program finished with exit code 0 Press ENTER to exit console

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