klasse Taak { private static int teller = 0; public static void main(String[] args) throws Exception { var thread1 = new Thread(() -> verhoog()); var thread2 = new Thread(() -> verhoog()); thread1.start(); thread2.start(); thread1.join(); thread2.join(); System.out.println(teller); } private static void verhoog() { for (int i = 0; i < 5000; i++) { teller++; } } }