❮ ArrayList Methods
Example
import java.util.ArrayList;
public class Main {
public static void main(String[] args) {
ArrayList<String> cars = new ArrayList<String>();
cars.add("Volvo");
cars.add("BMW");
cars.add("Ford");
cars.add("Mazda");
cars.add("Toyota");
cars.removeAll(cars);
System.out.println(cars);
}
}Definition and Usage
The removeAll() method removes all items from a list which belong to a specified collection.
Syntax
public boolean removeAll(Collection
items )Parameter Values
| Parameter | Description |
|---|---|
| items | Required. A collection containing items to be removed from the list. |
Technical Details
| Returns: | true if the list changed and false otherwise. |
|---|---|
| Throws: | NullPointerException - If the collection is null . |