Examine the following Java class and identify the error:

Examine the following Java class and identify the error:

class Employee {
  String name;
  int id;
  Employee(String name, int id) {
    this.name = name;
    this.id = id;
  }
  Employee() {
    name = "Unknown";
  }
}
public class Test {
  public static void main(String[] args) {
    Employee e = new Employee();
    System.out.println(e.id);
  }
}