C with classes

ObjectOrientedProgramming/virtualclasstest/a.h

@@ -0,0 +1,23 @@
+#ifndef A_H
+#define A_H
+#include <iostream>
+
+class A{
+private:
+    int num;
+    int plus;
+public:
+    A() = delete;
+    A(int n = 10, int m = 5) : num(n),plus(m){}
+    int retNum(){
+        return num;
+    }
+    int retPlus(){
+        return plus;
+    }
+    virtual void p();
+    virtual ~A(){}
+
+};
+
+#endif