Misol

Element ro‘yxatda mavjudligini tekshiring:

import java.util.LinkedList;

public class Main {
  public static void main(String[] args) {
    LinkedList<String> cars = new LinkedList<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"));
  }
}

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