汽车会员JAVA代码,汽车会员java代码大全
初学者请求java源代码
class Car
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{
// 车辆属性
private String brand; // 品牌
private double engineDisplacement;// 排气量
private double speed;// 当前速度
private boolean status;// 启动状态
private double maxSpeed;// 最大速度
public double getSpeed () {
return this.speed;
}
public Car(String brand, double engineDisplacement, double maxSpeed) {
this.brand = brand;
this.engineDisplacement = engineDisplacement;
this.maxSpeed = maxSpeed;
// 其他属性也要有初始值,不然执行出错。
this.speed = 0;
this.status = false;
}
/** 启动 */
public void start() {
this.status = true;
printNowStatus ();
}
/** 关闭(熄火) */
public void stop() {
// 只在速度为0时关闭(貌似楼上两位没仔细看题…)
if (this.speed == 0)
{
this.status = false;
}
printNowStatus ();
}
/** 加速 */
public void speedUp() {
// 只在启动时可以加速
if (this.status)
{
this.speed = this.speed + 20;
if (this.speed this.maxSpeed)
{
this.speed = this.maxSpeed;
}
}
printNowStatus ();
}
/** 减速 */
public void slowDown() {
// 只在启动时可以减速
if (this.status)
{
this.speed = this.speed - 10;
if (this.speed 0)
{
this.speed = 0;
}
}
printNowStatus ();
}
/** 状态打印,在每次启动,加减速,关闭时调用 */
private void printNowStatus () {
System.out.println("轿车【" + this.brand + "】现在的启动状态是:" + this.status + "速度是:" + this.speed +"。");
}
}
public class TestCar
{
public static void main(String[] args)
{
Car myCar = new Car ("红旗", 2, 120);
//启动
myCar.start();
// 循环加速到120
while (myCar.getSpeed() 120)
{
myCar.speedUp();
}
//循环减速
while (myCar.getSpeed() 0)
{
myCar.slowDown();
}
//关闭
myCar.stop();
}
}
/* 直接拿文本写的,我用的电脑没装jdk,楼主自己到Java开发环境下调试,应该没什么问题… */
急~~高手请告诉我如何编写小汽车的java程序代码??重赏!
import java.lang.*;
class Car{
public void safe(){
System.out.println("an quan xi shu gao !");
}
}
class Benz extends Car{
public void safe(){
System.out.println("che hao !");
}
}
class Santana extends Car{
public void safe(){
System.out.println("che hen bu hao hao !");
}
}
public class Test{
public static void main(String[]args){
Car s = new Car();
s.safe();
Benz s1 = new Benz();
s1.safe();
Santana s2 = new Santana();
s2.safe();
Car s3 = new Benz();
s3.safe();
Car s4 = new Santana();
s4.safe();
}
}
这是一个 命名为Test.java
public class Car{
double price;
String name;
int id;
//3个重载的构造方法(name)(id,name)(id,name,price)
public Car(String name){
this(789,name);
}
public Car(int id,String name){
this(id,name,100000);
}
protected Car(int id,String name,double price){
this.price = price;
this.name = name;
this.id = id;
}
//3个重载的普通方法drive(int) drive(String) drive(int ,String)
public void drive(int i){
System.out.println("i = " + i);
System.out.println(price + "\n" + name + "\n" + id);
}
protected String drive(String s){
return "s is: " + s;
}
int drive(int i,String s){
return 2007;
}
}
class Test{
public static void main(String[]args){
Car c1 = new Car(777,"Santana");
c1.drive(18);
}
}
这个命名为Car.java
希望有你要的!
请问如何用Java编写一个汽车类Car
public class Car {
private String color;//颜色
private int door;//车门数量
private float speed;//车速
public Car(){
this.color = "红色";
this.door = 3;
this.speed = 110;
}
public Car(String color, int door, float speed) {
this.color = color;
this.door = door;
this.speed = speed;
}
public void start(){
//汽车启动。输出汽车已启动,并输出汽车的各个属性
System.out.println("汽车已启动,汽车颜色为"+color+",车门数为"+door+",车速为"+speed);
}
public void speedUp(float speed){
//加速
System.out.println("汽车加速到"+speed+"km/h");
}
public void shutDown(float speed){
//减速
System.out.println("汽车减速到"+speed+"km/h");
}
public void brake(){
//刹车
System.out.println("已刹车");
}
}
public class Test {
public static void main(String[] args){
Car car = new Car();
car.start();
car.speedUp(100);
car.shutDown(60);
car.brake();
Car car1 = new Car("白色",4,20.2F);
car1.start();
car1.speedUp(100);
car1.shutDown(60);
car1.brake();
}
}
运行结果
JAVA代码编写!求帮忙!求教
第一题:
Car.java
public class Car {
public String num;
public float price;
public Car(String num,float price){
this.num = num;
this.price=price;
System.out.println("车牌号为:"+num+",价格为:"+price);
}
}
测试类:
public class CarTest {
public static void main(String[] args) {
Car car = new Car("京P34E68", 100000.23f);
}
}
输出为:车牌号为:京P34E68,价格为:100000.23
第二题:
Student.java
public class Student {
private String num;
private String name;
private int age;
private String sex;
public String getNum() {
return num;
}
public void setNum(String num) {
this.num = num;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
public String tell() {
return "Student [num=" + num + ", name=" + name + ", age=" + age+ ", sex=" + sex + "]";
}
public static void main(String[] args) {
Student student = new Student();
student.setAge(18);
student.setNum("001");
student.setName("COLD");
student.setSex("男");
System.out.println(student.tell());
}
}
输出:Student [num=001, name=COLD, age=18, sex=男]
希望能帮到你,望采纳
Java编写汽车类car
public class Car {
private int num;//编号
private String name;//型号
private double price;//单价
/**
* 无参构造
*/
public Car(){
super();
}
/**
* 有参构造
* @param num
* @param name
* @param price
*/
public Car(int num, String name, double price) {
super();
this.num = num;
this.name = name;
this.price = price;
}
public int getNum() {
return num;
}
public void setNum(int num) {
this.num = num;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public double getPrice() {
return price;
}
public void setPrice(double price) {
this.price = price;
}
public String inforShow() {
return "Car [num=" + num + ", name=" + name + ", price=" + price + "]";
}
}
public class PriCar extends Car{
private int PersonNum;//最大载客量
public PriCar(int personNum) {
super();
PersonNum = personNum;
}
public PriCar() {
super();
}
public int getPersonNum() {
return PersonNum;
}
public void setPersonNum(int personNum) {
PersonNum = personNum;
}
@Override
public String inforShow() {
return "PriCar [PersonNum=" + PersonNum + "]";
}
}
public class VanCar extends Car {
private double weight;//最大载重
public VanCar(double weight) {
super();
this.weight = weight;
}
public VanCar() {
super();
}
@Override
public String inforShow() {
return "PriCar [num=" + super.getNum() + ", name=" + super.getName() + ", price=" + super.getPrice() +",weight=" + weight + "]";
}
}
测试类不想写了 应该可以自己写出来了吧
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