Java考試編程，小汽車定義成抽象類，成員方法定義成抽象方法，重寫(xiě)實(shí)現(xiàn)抽象方法，怎么用子類實(shí)現(xiàn)抽象方法，考試編程題，在詳細(xì)解釋下，謝謝，
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//file1package com.car; public abstract class Car { private String name; private String color; public abstract String getType(); public String getName() { return name; } public void setName(String name) { this.name = name; } public String getColor() { return color; } public void setColor(String color) { this.color = color; } } //file2package com.car; public class BMWCar extends Car { private String type; public BMWCar(String name, String color) { setName(name); setColor(color); this.type="BMW"; } @Override public String getType() { return type; } public static void main(String[] args) { Car car = new BMWCar("baoma", "white"); System.out.println(car.getType()); }} |
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