import java.util.ArrayList; import java.util.Collections; public class Main { public static void main(String[] args) { ArrayList<String> cars = new ArrayList<String>(); cars.add("Volvo"); cars.add("BMW"); ArrayList<String> cars2 = new ArrayList<String>(); cars2.add("Ford"); cars2.add("Mazda"); System.out.println(Collections.disjoint(cars, cars2)); } }