//frb.cpp  -- by tsaiwn@csie.nctu.edu.tw
#include <iostream>
using namespace std;
class Student {
   int kk;
 public:
   Student( ) { kk=0; cout << "Bin\n"; }
   Student(int x) { cout << "Bon "; kk=x;}
   ~Student( ) { cout << "Hey.. "<<kk<< "即將離去\n"; }
   friend int main( );  // int main( ) is my friend :-)
};
void test( ) {
   Student a(38), b(49);
    cout << "本山人到此一遊" << endl;  // endl 與 "\n" 同
}
Student mm( );
int main( ) {
   cout << "======開始囉======" << endl;
   Student x;
   cout << "value in x = " << x.kk << endl;
   cout << "now calling test...\n";
   test( );
}