Tutorial session with Game about inheritance

inheritance.cpp

#include <iostream>

// An example of function
void someFunction(char * data) {
	int a;
	char * b;
	
	printf(data);
}

// What is a class?
// A class is simply variables + functions (methods)
class File {
	FILE* file;

	// Method example	
	// What is a method? A method is simply a function that resides within a class
	void open(char * fileName, char * mode)
	{
		this->file = fopen(fileName, mode);		
	}
	
	// Another method example
	void printf(char * stringToWrite) 
	{
		fprintf(this->file, "%s", stringToWrite);
	}

	// Yet another method example	
	void close()
	{
		fclose(this->file);				
	}	
};

void printHelloWorld()
{
	prinftf("Hello World!");
}

// Point 1
int x1;
int y1;

int x2;
int y2;

struct Point {
	int x;
	int y;
};

Point a, b;
a.x, a.y;
b.x, b.y;

class Animal {
	// attributes
	int numLegs;
	
	Animal() {
		this->numLegs = 0;
	}
	
	char * walk();
	
	int fly() {
		return this->numLegs++;
	}
	
	void mutate() {
		this->numLegs++;
	}
};

Animal * animal = new Animal();
animal->mutate();
printf(animal->numLegs); // 1

animal->mutate();
printf(animal->numLegs); // 2

//
// Inheritance
//
class Bird : public Animal {
	void sleep() {
		printf("I'm sleeping");
	}
};

class Monkey : public Animal {
	
};

class Sparrow : public Bird {
	
	// Method override
	void sleep() {
		printf("I'm sleeping a very long time");
	}
};

Bird * bird = new Bird();
bird->walk();
bird->fly();
bird->mutate();
bird->sleep() 	// I'm sleeping;

Animal * animal2 = new Animal();
animal->sleep();

Sparrow * sp = new Sparrow();
sp->sleep(); 	// I'm sleeping a very long time

class Animal;
class Bird : Animal;
class Tiger : Animal;
class StrangeCreature : Bird, Tiger;

using namespace std;
int main(int argc, char *argv[]) {
	int a = 0;
	File * f1 = new File();
	File * f2 = new File();
	
}