Initial commit

c++/Others/A Class as a Member Variable of Another Class.cpp

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+A Class as a Member Variable of Another Class
+This is an example of one object (the shape class implements a rectangle) being a member variable of another object (a brick).
+
+Header File: shape.h
+
+#ifndef _SHAPE_H
+#define _SHAPE_H
+
+class FRectangle
+{
+public:
+	FRectangle(double l = 0, double w = 0)
+		: Length(l), Width(w) {}
+	void setLength(double lgt);
+	void setWidth(double wdt);
+	double getLength() const;
+	double getWidth() const;
+	double Perimeter() const;
+	double Area() const;
+	void Properties();
+private:
+	double Length;
+	double Width;
+};
+
+#endif // _SHAPE_H
+
+Source File: shape.cpp
+
+#include <iostream.h>
+#include "shape.h"
+
+void FRectangle::setLength(double lgt)
+{
+	Length = lgt;
+}
+
+void FRectangle::setWidth(double wdt)
+{
+	Width = wdt;
+}
+
+double FRectangle::getLength() const
+{
+	return Length;
+}
+
+double FRectangle::getWidth() const
+{
+	return Width;
+}
+
+double FRectangle::Perimeter() const
+{
+	return 2 * (Length + Width);
+}
+
+double FRectangle::Area() const
+{
+	return Length * Width;
+}
+
+void FRectangle::Properties()
+{
+	cout << "\nRectangle characteristics";
+	cout << "\n\tLength    = " << Length;
+	cout << "\n\tWidth     = " << Width;
+	cout << "\n\tPerimeter = " << Perimeter();
+	cout << "\n\tArea      = " << Area() << endl;
+}
+
+Header File: brick.h
+
+#ifndef BRICK_H_
+#define BRICK_H_
+
+#include "shape.h"
+
+class Brick
+{
+public:
+	Brick() {}
+	void setThickness(double Tck);
+	void setDimensions(double l, double w, double t);
+	void setColor(char* clr);
+	void setTexture(char* txr);
+	char* getColor() const;
+	char* getTexture() const;
+	double Volume() const;
+	void Display();
+private:
+	FRectangle shape;
+	char* Color;
+	char* Texture;
+	double Thickness;
+};
+
+#endif // BRICK_H_
+
+Source File: brick.cpp
+
+#include <iostream.h>
+#include "brick.h"
+
+void Brick::setThickness(double Tck)
+{
+	Thickness = Tck;
+}
+
+void Brick::setColor(char* clr)
+{
+	Color = clr;
+}
+
+void Brick::setTexture(char* txr)
+{
+	Texture = txr;
+}
+
+void Brick::setDimensions(double l, double w, double t)
+{
+	shape.setLength(l);
+	shape.setWidth(w);
+	setThickness(t);
+}
+
+char* Brick::getColor() const
+{
+	return Color;
+}
+
+char* Brick::getTexture() const
+{
+	return Texture;
+}
+
+double Brick::Volume() const
+{
+	return shape.getLength() * shape.getWidth() * Thickness;
+}
+
+void Brick::Display()
+{
+	cout << "\nBrick characteristics";
+	cout << "\n\tLength   = " << shape.getLength();
+	cout << "\n\tWidth    = " << shape.getWidth();
+	cout << "\n\tArea     = " << shape.Area();
+	cout << "\n\tVolume   = " << Volume();
+	cout << "\n\tColor    = " << getColor();
+	cout << "\n\tTextture = " << getTexture();
+	cout << endl;
+}
+
+Main File: Exo.cpp
+
+#include "shape.h"
+#include "brick.h"
+
+void main()
+{
+	Brick brick;
+
+	brick.setDimensions(12.50, 8.75, 5.55);
+	brick.setColor("Bone White");
+	brick.setTexture("Early Breeze");
+
+	brick.Display();
+}
+
+Here is an example of running the program:
+
+Brick characteristics
+        Length   = 12.5
+        Width    = 8.75
+        Area     = 109.375
+        Volume   = 607.031
+        Color    = Bone White
+        Textture = Early Breeze