#include <iostream>
#include <sstream>
#include <vector>
int main() {
std::string s = "a,b,4,c++,9,java";
std::vector<std::string> v;
std::stringstream ss(s);
while (ss.good()) {
std::string subs;
getline(ss, subs, ',');
v.push_back(subs);
}
for (size_t i = 0; i < v.size(); i++)
std::cout << v[i] << '\n';
}
/*
run:
a
b
4
c++
9
java
*/