.

09-Abstraction.cpp

@@ -0,0 +1,45 @@
+//09-Abstraction
+
+#include <iostream>
+
+//Interface/Abstract Class/Super Class/Base Class.
+class A{
+public:
+	//Pure Virtual Function.
+	virtual void f() = 0;
+
+	//Virtual Destructor.
+	virtual ~A(){
+		std::cout << "A - destructor." << std::endl;
+	} 
+};
+
+//Concrete Class/Sub Class/Derived Class.
+class B: public A{
+public:
+	B(){
+		std::cout << "B - constructor." << std::endl;
+	}
+
+	~B(){
+		std::cout << "B - destructor." << std::endl;
+	}
+
+	//Override.
+	void f(){
+		std::cout << "Hello World!" << std::endl;
+	}
+};
+
+int main(){
+	B b;	
+	b.f();
+
+	std::cout << std::endl;
+
+	A *a = new B();
+	a->f();
+	delete a;
+
+	std::cout << std::endl;
+}

10-Copy.cpp

@@ -0,0 +1,57 @@
+//10-Copy
+
+#include <iostream>
+
+class A{
+private:
+	int *data;
+	int size;
+
+public:
+	A(int s): size{s}{
+		data = new int[s];
+	}
+
+	//Copy Constructor.
+	A(const A& a): data{new int[a.size]}, size{a.size}{
+		for(int i = 0; i < a.size; i++)
+			data[i] = a.data[i];
+	}
+
+	//Copy Assignment.
+	A& operator=(const A& a){
+		int *p = new int[a.size];
+		for(int i = 0; i < a.size; i++)
+			p[i] = a.data[i];
+		delete[] data;
+		data = p;
+		size = a.size;
+		return *this;
+	}
+
+	void fill(int n){
+		for(int i = 0; i < size; ++i){
+			data[i] = n;
+		}
+	}
+
+	void print(){
+		for(int i = 0; i < size; ++i){
+			std::cout << data[i] << " ";
+		}
+	}
+};
+
+int main(){
+	A a(10);
+	a.fill(10);
+	a.print();
+
+	std::cout << std::endl;
+
+	A b(a);
+	b.print();
+
+	std::cout << std::endl;
+
+}

11-Move.cpp

@@ -0,0 +1,54 @@
+//11-Move
+
+#include <iostream>
+
+class A{
+private:
+	int *data;
+	int size;
+
+public:
+	A(int s): size{s}{
+		data = new int[s];
+	}
+
+	~A(){};
+
+	//Move Constructor.
+	A(A&& a): data{a.data}, size{a.size}{
+		std::cout << "move constructor." << std::endl;
+		a.data = nullptr;
+		a.size = 0;
+	}
+
+	//Move Assignment.
+	A& operator=(A&& a){
+		std::cout << "move assignment." << std::endl;
+		data = a.data;
+		size = a.size;	
+		a.data = nullptr;
+		a.size = 0;
+		return *this;
+	}
+
+	void fill(int n){
+		for(int i = 0; i < size; ++i){
+			data[i] = n;
+		}
+	}
+
+	void print(){
+		for(int i = 0; i < size; ++i){
+			std::cout << data[i] << " ";
+		}
+	}
+};
+
+int main(){
+	A a(10);
+	a.fill(10);
+
+	A b(10);
+	b = std::move(a);
+	b.print();
+}

MODERNCPP_SOURCE.txt

@@ -4,11 +4,14 @@
 * Compiler: MinGW GCC, MSVC
 * IDE: CodeLite, Visual Studio 2019
 
-01-Empty
+01-Minimal
 02-Constant
 03-Enum
-04-Seperation
+04-Modularity
 05-Namespace
 06-Exception
 07-StaticAssertion
-08-InitializerList
+08-InitializerList
+09-Abstraction
+10-Copy
+11-Move