import java.util.ArrayList; class AdderTraad implements Runnable{ Monitor monitor; public AdderTraad(Monitor monitor){ this.monitor = monitor; } @Override public void run(){ ArrayList tall = monitor.taUtToTall(); while(tall != null){ int tall1 = tall.get(0); int tall2 = tall.get(1); System.out.println(tall1 + " + " + tall2 + " = " + (tall1 + tall2)); tall = monitor.taUtToTall(); } } }