public static void main(String[] args) throws FileNotFoundException, IOException, InterruptedException { long starttime = System.currentTimeMillis(); Task1 task1 = new Task1("files\\INPUT.txt"); task1.solve(); Task2 task2 = new Task2("files\\task1.txt", "files\\task2.txt"); task2.solve(); Task3 task3 = new Task3("files\\task1.txt", "files\\task3.txt"); task3.solve(); Task4 task4 = new Task4("files\\task1.txt", "files\\task3.txt"); task4.solve(); Task5 task5 = new Task5(); task5.solve(); long endtime = System.currentTimeMillis(); }