public class Car 1 public void m1) { System.out.println("car 1"); public void m2)f System.out.println("car 2"); public String toString) 1 return "vroom"; public class Truck extends Car f public void m1() System.out.println("truck 1"); public void m2) t super.m1(); public String toString() f return super.tostring() + super.toString(); And assuming that the following variable has been declared: Truck mytruck = new Truck()