将Java程序打包成exe可执行文件
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第一步:将Java程序通过Eclipse或者JRE导出成Jar包;
第二步:通过exe4j将Jar包程序生成exe可执行文件。
作为毕业设计,要求你交执行程序肯定是有办法实现的啊,当然你也可以用脚本执行,不过既然要交源码,都到这里了打包成exe也就用不了什么时间了
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
class Car
{
// 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… */
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
你说的这个程序应该是不难的,只不过N久没有写过javaswing 了
还有就是java没有多继承的,只有多实现接口的
继承的关键字是:extends
接口的关键字是:interface
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!