C++ program to print hollow right triangle star pattern with class objects C++.
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//program to print hollow right triangle star pattren //simple program #include<iostream> using namespace std; class pattren { private: int i,j,rows; 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() { pattren f; f.number(); } |
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//program to print hollow right triangle star pattren //single inheritence program #include<iostream> using namespace std; class pattren { protected: int i,j,rows; }; class child:public pattren { 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() { child f; f.number(); } |
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//program to print hollow right triangle star pattren //multiple inheritence program #include<iostream> using namespace std; class pattren { protected: int i,j; }; class pattren2 { protected: int rows; }; class child:public pattren,public pattren2 { 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() { child f; f.number(); } |
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//program to print hollow right triangle star pattren //multi level inheritence program #include<iostream> using namespace std; class pattren { protected: int i,j; }; class pattren2:public pattren { protected: int rows; }; class child:public pattren2 { 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() { child f; f.number(); } |