Java ArrayList contains() Method
Example
Check if an item exists in a list:
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");
System.out.println(cars.contains("BMW"));
System.out.println(cars.contains("Toyota"));
}
}
Definition and Usage
The contains() method returns true if an item exists in a list and false otherwise.
Syntax
public boolean contains(Object item)Parameter Values
| Parameter | Description |
|---|---|
| item | Required. The item being tested |
Technical Details
| Returns: | true if the object exists in the list, false otherwise. |
|---|
Related Pages
❮ ArrayList Methods
