exception handling c 2b 2b

1try {
2   //do something
3} catch (const std::exception& e) {
4     std::cout << e.what(); // information from error printed
5}

1try {
2	//do
3} catch (...){
4	//if error do
5}

1// exceptions
2#include <iostream>
3using namespace std;
4
5int main () {
6  try
7  {
8    throw 20;
9  }
10  catch (int e)
11  {
12    cout << "An exception occurred. Exception Nr. " << e << '\n';
13  }
14  return 0;
15}