Undersent

#include <iostream>
#include <cstdlib>

void tabliczka_na_3(int a, int b);

void tabliczka_na_4(int a, int b, char kierunek);

double tabliczka_na_5(int a, int b);

using namespace std;

Undersent

public class Main {
    public static void main(String[] args) {
        System.out.println("App started");
        final Runnable runnable11 = () -> {
            System.out.println("List 1, task 1");
            try {
                TimeUnit.SECONDS.sleep(1);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }