remove duplicate code

cpp/Instances.md

@@ -8,4 +8,4 @@ to be initialized with the keyword 'new'.
 
 Relevant Files:
 
-- [main.cpp](./main.cpp)
+- [main.cpp](./classes/main.cpp)

cpp/instances/car.cpp

@@ -1,20 +0,0 @@
-/*
-
-Basic Car class
-just here to make the demonstration in the main file possible
-explanation of the code here will be given in later lessons
-
-*/
-
-#include "car.h"
-#include <iostream>
-#include <string>
-
-using namespace std;
-
-void car::print_info()
-{
-  cout << "Car Information:" << endl;
-  cout << "- manufacturer: " << manufacturer << endl;
-  cout << "- model: " << model << endl;
-}

cpp/instances/car.h

@@ -1,20 +0,0 @@
-/*
-
-Basic Car class
-just here to make the demonstration in the main file possible
-explanation of the code here will be given in later lessons
-
-*/
-
-#pragma once
-#include <string>
-
-using namespace std;
-
-class car
-{
-  public:
-    std::string manufacturer;
-    std::string model;
-    void print_info();
-};

cpp/instances/main.cpp

@@ -1,20 +0,0 @@
-#include "car.h"
-#include <cstring>
-
-int main() {
-  // create a new car and store it in the variable 'a'
-  // in contrast to java, c++ does not need initialization with the 'new' keyword here.
-  car a;
-  // set some data for that car
-  a.manufacturer = "Benz";
-  a.model = "Velo";
-
-  // do the same for a second car
-  car b;
-  b.manufacturer = "Ford";
-  b.model = "Model T";
-
-  // use a function of the car class to print out the information
-  a.print_info();
-  b.print_info();
-}