CPP/Classes/PureVirtualFunction - Revision history

FirstPerson: /* PureVirtualFunction.cpp */

2010-06-29T04:38:09Z

‎PureVirtualFunction.cpp

Nbaztec: /* Virtual Functions & Abstract Classes */

2010-06-23T14:43:17Z

‎Virtual Functions & Abstract Classes

Nbaztec: /* Virtual Functions & Abstract Classes */

2010-06-23T14:42:47Z

‎Virtual Functions & Abstract Classes

Nbaztec: /* Virtual Functions & Abstract Classes */

2010-06-23T14:40:54Z

‎Virtual Functions & Abstract Classes

Nbaztec: /* PureVirtualFunction.cpp */

2010-06-23T14:28:12Z

‎PureVirtualFunction.cpp

Nbaztec at 14:25, 23 June 2010

2010-06-23T14:25:57Z

Nbaztec: /* PureVirtualFunction.cpp */

2010-06-23T14:16:35Z

‎PureVirtualFunction.cpp

Nbaztec: /* PureVirtualFunction.cpp */

2010-06-23T14:15:22Z

‎PureVirtualFunction.cpp

Daviddoria: Created page with '==PureVirtualFunction.cpp== #include #include class Point { public: Point(const double xin, const double yin, const double zin) : x(xi…'

2010-06-23T12:56:16Z

Created page with '==PureVirtualFunction.cpp== <source lang="cpp"> #include <iostream> #include <limits> class Point { public: Point(const double xin, const double yin, const double zin) : x(xi…'

New page

==PureVirtualFunction.cpp==
<source lang="cpp">
#include <iostream>
#include <limits>

class Point
{

public:
Point(const double xin, const double yin, const double zin) : x(xin), y(yin), z(zin) {}

double x,y,z;

virtual void Output() = 0;

};

class DerivedClass
{
void Output()
{
std::cout << "Point Class." << std::endl;
}
};

int main(int argc, char *argv[])
{

return 0;
}
</source>

@@ Line 30: / Line 30: @@
+}
 </source>
 ==Virtual Functions & Abstract Classes==

@@ Line 41: / Line 41: @@
           * Here we declare a Pure Virtual Function
           * This class has now become an abstract class &
-          * it's instances cannot be created only pointers
+          * it's instances cannot be created. Only pointers.
+          *
           */

@@ Line 38: / Line 38: @@
+{
 	public:
-         //Here we declare a Pure Virtual Function
+         /*
     	virtual void SeeMeGo()=0;
 };

@@ Line 4: / Line 4: @@
 #include <limits>
-class Point
+class Point3{
-−
 public:
    Point(const double xin, const double yin, const double zin) : x(xin), y(yin), z(zin) {}
+   Point() x(),y(),z(){};
    double x,y,z;
+   virtual void print(){ cout << "(" << x << "," << y << "," << z << ")" << endl; }
-   virtual void Output() = 0;
-−
 };
-class DerivedClass
+class Coordinate: Point3
+{
-   void Output()
+   void point(){
+     cout << "Coordinate (" << x << "," << y << "," << z << ")" << endl;
-    std::cout << "Point Class." << std::endl;
+   }
 };
-int main(int argc, char *argv[])
+int main(){
+  Point3 p1 = new Point3(1,2,3);
+  Coordinate c1 = new Coordinate();
    return 0;
+}
 </source>
 ==Virtual Functions & Abstract Classes==