C++ program to print the hollow right triangle star pattern by using the virtual base class in object-oriented programming.
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//program to print hollow right triangle star T4Tutorials_Pattern // virtual class #include<iostream> using namespace std; class T4Tutorials_Pattern { public: int i; }; class parent:virtual public T4Tutorials_Pattern { public: int j; }; class parent1:virtual public T4Tutorials_Pattern { public: int rows; }; class print:public parent , public parent1 { public: int number() { cout<<"enter any num of rows"<<endl; cin>>rows; for(i=1; i<=rows; i++) { for(j=1; j<=i; j++) { if(j==1 || j==i || i==rows) { cout<<"*"; } else { cout<<" "; } } cout<<endl; } } }; int main() { print f; f.number(); } |