The same code has different results in Java and C + +

1#include <iostream>2 using namespacestd;3 /*Run this program using the console Pauser or add your own getch, System ("pause") or input loop*/4 classA {5      Public:6         voidm () {7 n ();8         }9 Ten      Public: One         Virtual voidN () { Acout<<"The n function of the parent class was called"; -         } -  the }; -  - classB: PublicA { -  +      Public: -         voidm () { + a::m (); A         } at  -      Public: -         voidN () { -cout<<"called the N function of the subclass"; -         } -  in }; - intMainintargcChar**argv) { to b b; + b.m (); -     return 0; the}

Class a{public void M () {n ();} public void N () {System.out.println ("n function called the parent Class");}} Class B extends a{public void m () {super.m ();} public void N () {System.out.println ("N function called sub-Class");}} public class Main {public static void main (string[] args) {//TODO auto-generated method stub    B b=new B ();    B.M ();}}

C + + Output parent class, Java output subclass.

Reason Java default polymorphism, dynamic binding. C + + needs to be added to virtual, plus the sub-class

The same code has different results in Java and C + +