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Encapsulation

C++ gives us:

• Objects
  • Classes (default private)
  • Structs (default public, have functions as opposed to C-structs)
• Inheritance
• File Structure (.h, .cpp, and .hpp, and grouping of related code in files)
• Templates (Code recipes, instructions for how to generate code)

Example C++ Files

//Include this file only once
#pragma once
namespace cs225{
	class Cube {
		public:
			double getVolume();
		private:
			double length_;
	};
}

#include "Cube.h" 
namespace cs225{
	double Cube::getVolume() {
		return length_*length_*length_;
	}
}

Namespaces

Used to separate and organize various sets of objects and functions. e.g. std is the standard namespace.