Object slicing concept in inheritance

Obj slice.cpp

@@ -0,0 +1,38 @@
+#include <iostream> 
+using namespace std; 
+
+class Base 
+{ 
+protected: 
+    int i; 
+public: 
+    Base(int a)     { i = a; } 
+    virtual void display() 
+    { cout << "I am Base class object, i = " << i << endl; } 
+}; 
+
+class Derived : public Base 
+{ 
+    int j; 
+public: 
+    Derived(int a, int b) : Base(a) { j = b; } 
+    virtual void display() 
+    { cout << "I am Derived class object, i = "
+           << i << ", j = " << j << endl;  } 
+}; 
+
+// Global method, Base class object is passed by value 
+void somefunc (Base obj) 
+{ 
+    obj.display(); 
+} 
+
+int main() 
+{ 
+    Base b(33); 
+    Derived d(45, 54); 
+    somefunc(b); 
+    somefunc(d);  // Object Slicing, the member j of d is sliced off 
+    return 0; 
+} 
+