Let’s begin with a simple example to achieve multi-level inheritance.
Example to achieve multi-level inheritance in C++
C++ program to print a hollow square or rectangle star pattern by achieving the multi-level inheritance.
Level 0 = class a
Level 1 = class b: public a (Class b is a child of class a)
Level 2 = class c: public b (Class c is a child of class b)
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#include<iostream> using namespace std; class a { protected: int i,j; }; class b:public a { public: int n; }; class c:public b { public: int out() { cout<<"enter number"; cin>>n; for(i=1;i<=n;i++) { for(j=1;j<=n;j++) { if(i==1||i==n||j==1||j==n) { cout<<"*"; } else { cout<<" "; } } cout<<" \n"; } } }; int main() { c obj; obj.out(); } |
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Topic Covered
How to achieve multi-level inheritance?
