C++ Exception

#include <iostream>

using namespace std;

class Throwable {
  public:
    void print() {
      cout << "Throwable XXX" << endl;
    }
};

int main(int argc, const char *argv[]) {
  try {
    throw Throwable();
  } catch (Throwable t) {
    t.print();
  }

  try {
    throw "XXXX";
  } catch (const char * str) {
    cout << str << endl;
  }

  return 0;
}