chore: Add course material

397/SolutionEx61Part1/main.cpp

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+
+#include <exception>
+#include <string>
+#include <vector>
+
+#include "Person.h"
+
+#include "PersonException.h"
+#include <iostream>
+
+#include "memory"
+
+using std::cin;
+using std::cout;
+using std::string;
+using std::exception;
+
+int main() {
+    { // start of extra scope to show destuctor of the vector being called at end-of-scope
+
+        //  std::vector<Person*> people;
+        std::vector<std::shared_ptr<Person>> people;
+
+        string namePrompt = "Enter name: ";
+        string name;
+        string agePrompt = "Enter age: ";
+        int age;
+        string salaryPrompt = "Enter salary: ";
+        int salary;
+
+        cout << namePrompt;
+        cin >> name;
+
+        while (name != "q") {
+            try {
+                cout << agePrompt;
+                cin >> age;
+
+                if (!cin) {
+                    cin.clear();
+                    string dummy;
+                    cin >> dummy;
+                    throw PersonException("invalid age");
+                }
+
+                // Person* personPtr = new Person(name, age);
+                std::shared_ptr<Person> personPtr(new Person(name, age));
+
+                cout << salaryPrompt;
+                cin >> salary;
+                if (!cin) {
+                    cin.clear();
+                    string dummy;
+                    cin >> dummy;
+                    throw PersonException("invalid salary");
+                }
+
+                personPtr->setSalary(salary);
+
+                people.push_back(personPtr);
+            }
+
+            catch (exception &e) {
+                cout << "PersonException thrown: " << e.what() << '\n';
+            }
+
+            cout << "There are " << Person::GetCount() << " Person(s), " << people.size() << " in vector\n";
+
+            cout << namePrompt;
+            cin >> name;
+        }
+
+        // delete all the person(s) in the vector
+        //  for(std::vector<Person*>::iterator iter=people.begin(); iter != people.end(); ++iter)
+        //  {
+        //	  delete *iter;
+        // }
+
+        // people.clear();
+
+    } // end-of-scope: destructor of vector called here
+
+    cout << "There are " << Person::GetCount() << " Person(s) left dangling\n";
+
+    return 0;
+}