example1_creating_joining.cpp

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#include <iostream>
#include <thread>

void print_numbers(int id) {
    for (int i = 0; i < 5; ++i) {
        std::cout << "Thread " << id << ": " << i << std::endl;
    }
}

int main() {
    std::thread t1(print_numbers, 1);
    std::thread t2(print_numbers, 2);

    t1.join();
    t2.join();

    std::cout << "All threads completed." << std::endl;
    return 0;
}