Identify the error in this Java code snippet:

Identify the error in this Java code snippet:

class Vehicle {
  void start() {
    System.out.println("Vehicle started");
  }
}
class Car extends Vehicle {
  void start() {
    System.out.println("Car started");
  }
}
public class Test {
  public static void main(String[] args) {
    Vehicle v = new Vehicle();
    v.start();
    Car c = new Vehicle();
    c.start();
  }
}