Java ArrayList isEmpty() Method
Example
Check if a list is empty:
import java.util.ArrayList;
public class Main {
public static void main(String[] args) {
ArrayList<String> cars = new ArrayList<String>();
System.out.println(cars.isEmpty());
cars.add("Volvo");
cars.add("BMW");
cars.add("Ford");
cars.add("Mazda");
System.out.println(cars.isEmpty());
}
}
Definition and Usage
The isEmpty()
method returns true
if a list has no items and false
otherwise.
Syntax
public boolean isEmpty()
Technical Details
Returns: | true if a list has no items and false otherwise. |
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Related Pages
❮ ArrayList Methods