public class Vehicle {int wheels;float weight;public Vehicle(int wheels, double d) {super();this.wheels = wheels;this.weight = (float) d;}void show() {System.out.print("车轮:"+this.wheels);System.out.print(",车重:"+this.weight);}
}public class Trunk extends Vehicle {int load;public Trunk(int wheels, float weight,int load) {super(wheels, weight);// TODO Auto-generated constructor stubthis.load = load;}void show() {System.out.println("车型:卡车");super.show();System.out.println("载重量:"+this.load);}}public class Minibus extends Vehicle {int passenger;public Minibus(int wheels, float weight,int passenger) {super(wheels, weight);// TODO Auto-generated constructor stubthis.passenger = passenger;}void show() {System.out.println("车型:面包车");super.show();System.out.println("载人:"+this.passenger);}}public class TestVehicle {public static void main(String[] args) {// TODO Auto-generated method stubMinibus b = new Minibus(4,3000.0f,12);b.show();Trunk t = new Trunk(6,7500.0f,80);t.show();}}public class TestVehicle {public static void main(String[] args) {// TODO Auto-generated method stubMinibus b = new Minibus(4,3000.0f,12);b.show();Trunk t = new Trunk(6,7500.0f,80);t.show();}}