adding two multiple inheritance examples

lectures/26_inheritance/multiple_inheritance1.cpp

@@ -0,0 +1,35 @@
+#include <iostream>
+
+class B
+{
+public:
+	B(int b1):b(b1){}
+protected:
+	int b;
+};
+
+class C
+{
+public:
+	C(int c1):c(c1){}
+protected:
+	int c;
+};
+
+class D: public B, public C
+{
+public:
+	D(int b1, int c1):B(b1),C(c1),d(b1+c1){}
+
+	void print(){
+		std::cout << "d is " << d << std::endl;
+	}
+protected:
+	int d;
+};
+
+int main(){
+	D* dOjbect = new D(2,3);
+	dOjbect->print();
+	return 0;
+}