import java.util.ArrayList;
public class ArrayLists {
public static void main(String[] args) {
ArrayList<String> cars = new ArrayList<String>();
cars.add("Volvo");
cars.add("BMW");
cars.add("Ford");
cars.add("Mazda");
System.out.println(cars); // [Volvo, BMW, Ford, Mazda]
System.out.println(cars.isEmpty()); // false
System.out.println(cars.size()); // 4
cars.remove(0); // removes the element at index 0 (i.e. "Volvo")
System.out.println();
System.out.println(cars); // [BMW, Ford, Mazda]
System.out.println(cars.isEmpty()); // false
System.out.println(cars.size()); // 3
cars.remove(1); // removes the element at index 1 (i.e. "Ford")
System.out.println();
System.out.println(cars); // [BMW, Mazda]
cars.add("Mercedes");
System.out.println();
System.out.println(cars); // [BMW, Mazda, Mercedes]
cars.clear();
System.out.println();
System.out.println(cars); // []
System.out.println(cars.isEmpty()); // true
System.out.println(cars.size()); // 0
}
}