实例 Java addFirst() 方法实例

x
 
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");
    
    // Use addFirst() to add the item to the beginning
    cars.addFirst("Mazda");
    System.out.println(cars);
  }
}
                    

输出结果

[Mazda, Volvo, BMW, Ford]