by Dinesh Thakur Category: Classes in C++

 

#include<iostream.h>

#include<conio.h>
class rec
{
      private:
                   int I,b;
      public:
                   rec()
                 {
                          I=b=2;
                          cout<<"Constructor with Zero Parameter\n";
                  }
                  rec(int a)
                 {
                           I=b=a;
                           cout<<"Constructor with One Parameter\n";
                  }
                  rec(int a,int c)
                 {
                            I=a;
                            b=c;
                            cout<<"Constructor with Two Parameter\n";
                  }
                  int area()
                 {
                            return (I*b);
                  }
};
         void main()
      {
             clrscr();
             rec obj1;
             cout<<"Area is of First Rectangle: "<<obj1.area() <<endl;
             rec obj2(3);
             cout<<"Area is of Square: "<<obj2.area()<<endl;
             rec obj3(7,7);
             cout<<"Area is of Third Rectangle: "<<obj3.area()<<endl;
             getch();
       }

Class Rectangle



About Dinesh Thakur

Dinesh ThakurDinesh Thakur holds an B.SC (Computer Science), MCSE, MCDBA, CCNA, CCNP, A+, SCJP certifications. Dinesh authors the hugely popular blog. Where he writes how-to guides around Computer fundamental , computer software, Computer programming, and web apps. For any type of query or something that you think is missing, please feel free to Contact us.



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