Chapter 15.7, Problem 15.13CP

What will the following program display?

#include <iostream.>

using namespace std;

class First

{

protected:

int a;

public:

First(int x = 1)

  { a = x; }

void twist()

  { a *= 2; }

  int getVal()

  { twist(); return a; }

}:

class Second : public First

{

private:

  int b;

  public:

Second(int y = 5)

  { b = y; }

void twist()

  { b *= 10: }

}:

int main()

{

First object1;

Second object2;

cout ≪ object1.getVa˥ ()≪ end˥

cout ≪ object2.getVa˥ ()≪ end˥return 0: