public class Test {public static void main(String[] args) {// TODO Auto-generated method stubNoVehicle nh=new NoVehicle("天宇","红",4,2);nh.describe();Bike bk=new Bike("捷安特","黄");bk.describe();ElectricCar ec=new ElectricCar("飞鸽");ec.describe();Tricycle ty=new Tricycle();ty.describe();}}

2.NoVehicle.java//非机动车  //父类

public class NoVehicle {private String brand;private String color;private int wheel;private int Chair;//无参构造方法public NoVehicle() {}//双参构造方法,完成对品牌和颜色的赋值public NoVehicle(String brand, String color) {this.setBrand(brand);this.setColor(color);}//四参构造方法，完成对所有属性的赋值public NoVehicle(String brand, String color, int wheel, int chair) {this.setBrand(brand);this.setColor(color);this.setWheel(wheel);this.setChair(chair);}public String getBrand() {return brand;}public void setBrand(String brand) {this.brand = brand;}public String getColor() {return color;}public void setColor(String color) {this.color = color;}public int getWheel() {return wheel;}public void setWheel(int wheel) {this.wheel = wheel;}public int getChair() {return Chair;}public void setChair(int chair) {Chair = chair;}public void describe() {System.out.println("父类信息测试:这是一辆" + this.getColor() + "颜色的," + this.getBrand() + "牌的非机动车，有" + this.getWheel() + "个轮子,有"+ this.getChair() + "个座椅");}}

2.Bike.java //自行车类 //子类

public class Bike extends NoVehicle {public Bike() {}//子类默认调用父类的无参构造方法public Bike(String brand,String color) {super(brand,color);}public void describe() {System.out.println("自行车类信息测试:这是一辆" + super.getColor() + "颜色的," + super.getBrand() + "牌的自行车");}
}

3.Electric.java //电动车类 //子类

public class ElectricCar extends NoVehicle {
private String batterybrand;//无参构造方法
public ElectricCar(String batterybrand) {this.setBatterybrand(batterybrand);
}public String getBatterybrand() {return batterybrand;
}public void setBatterybrand(String batterybrand) {this.batterybrand = batterybrand;
}
public void describe() {System.out.println("电动车类信息测试:这是一辆使用"+this.getBatterybrand()+"牌电池的电动车");
}
}

4.Tricycle.java //三轮车类，//子类

public class Tricycle extends NoVehicle{
//无参构造方法public Tricycle() {super.setWheel(3);}public void describe() {System.out.println("三轮车类信息测试:三轮车是一款有"+this.getWheel()+"个轮子的非机动车");}
}

5.运行图片