面向对象思想编程，小汽车和自行车例子

package com.web;

import java.util.Scanner;

public class Test27 {
    
    
    public static void main(String[] args) {
    
    
        Scanner scanner = new Scanner(System.in);

        Bicycle bicycle = new Bicycle("ビアンキ", "緑");
        System.out.println("【自転車の情報】");
        bicycle.printData();
        System.out.println("-----------------");
        System.out.print("走る距離を入力してください：");
        int i = scanner.nextInt();
        bicycle.run(i);

        System.out.println("=================");
        Car car = new Car("フェラーリ", "赤");
        System.out.println("【車の情報】");
        car.printData();
        System.out.println("-----------------");
        System.out.print("走る距離を入力してください：");
        int j = scanner.nextInt();
        car.run(j);
        System.out.print("給油する量を入力してください：");
        int o = scanner.nextInt();
        car.charge(o);
    }
}

class Bicycle {
    
    
    private String name;
    private String color;
    private int distance = 0;

    public Bicycle(String name, String color) {
    
    
        this.name = name;
        this.color = color;
    }

    public void printData() {
    
    
        System.out.println("名前：" + this.name);
        System.out.println("色：" + this.color);
        System.out.println("走行距離：" + this.distance + "km");
    }

    public void run(int distance) {
    
    
        System.out.println(distance + "km走ります");
        this.distance += distance;
        System.out.println("走行距離：" + this.distance + "km");
    }
}

class Car {
    
    
    private String name;
    private String color;
    private int distance = 0;
    private int fuel = 100;

    public Car(String name, String color) {
    
    
        this.name = name;
        this.color = color;
    }

    public void printData() {
    
    
        System.out.println("名前：" + this.name);
        System.out.println("色：" + this.color);
        System.out.println("走行距離：" + this.distance + "km");
        System.out.println("ガソリン量：" + this.fuel + "L");
    }

    public void run(int distance) {
    
    
        System.out.println(distance + "km走ります");
        if (distance <= this.fuel) {
    
    
            this.distance += distance;
            this.fuel -= distance * 1;
        } else {
    
    
            System.out.println("ガソリンが足りません");
        }
        System.out.println("走行距離：" + this.distance + "km");
        System.out.println("ガソリン量：" + this.fuel + "L");
    }

    public void charge(int oil) {
    
    
        System.out.println(oil + "L給油します");
        if (oil <= 0) {
    
    
            System.out.println("給油できません");
        } else if (oil + this.fuel >= 100) {
    
    
            System.out.println("満タンまで給油します");
            this.fuel = 100;
        } else {
    
    
            this.fuel += oil;
        }
        System.out.println("ガソリン量：" + this.fuel + "L");
    }
}