C with classes

ObjectOrientedProgramming/virtualclasstest/b.cpp

@@ -0,0 +1,13 @@
+#include "b.h"
+#include <iostream>
+
+void B::p()
+{
+    int sm = this->retNum() + this->retPlus() + js;
+    std::cout << sm << std::endl;
+}
+
+std::ostream& operator<<(std::ostream& os, B& x){
+    os << x.js << " ";
+    return os;
+}