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java小车导航代码 java导航栏编程
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JAVA入门题，设计一个交通工具类Vehicle,它具有如下属性
class Vehicle {
int Speed;
public String getKind() {
return Kind;
}
public void setSpeed(int speed) {
Speed = speed;
}
public void setColor(String color) {
Color = color;
}
public void setKind(String kind) {
Kind = kind;
}
String Kind;
String Color;
public String getColor() {
return Color;
}
public Vehicle() {
// 默认构造方法
}
public Vehicle(int Speed, String Kind, String Color) {
this.Speed = Speed;
this.Kind = Kind;
this.Color = Color;
}
}
class Car extends Vehicle {
private int passenger;
public int getPassenger() {
return passenger;
}
public void setPassenger(int passenger) {
this.passenger = passenger;
}
public Car() {
// 默认构造方法
}
public Car(int Speed, String Kind, String Color, int passenger) {
this.Speed = Speed;
this.Kind = Kind;
this.Color = Color;
this.passenger = passenger;
}
}
class Demo {
public static void main(String[] args) {
Car car =new Car(120,"宝马","红",5);
car.setSpeed(160);
car.setColor("黄");
car.setKind("奥迪");
System.out.print(car.getKind()+"\t"+car.getColor()+"\t"+car.Speed+"\t"+car.getPassenger());
}
}
相关问答
Q1: Java swing编程，用什么类实现导航栏？
import java.awt.Button;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JFrame;
public class Demo {
public static void main(String[] args) {
Demo demo = new Demo();
demo.run();
}
public void run() {
JFrame frame = new JFrame("title1");
frame.setLayout(null);
frame.setBounds(10, 10, 500, 300);
Button button = new Button("click");
button.setBounds(15, 15, 200, 100);
frame.add(button);
frame.setVisible(true);
button.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
JFrame frame = new JFrame("title2");
frame.setLayout(null);
frame.setBounds(20, 20, 300, 100);
frame.setVisible(true);
}
});
}
}
Q2: 如何用java编写一个定位导航app软件
你好，提问者：
对于你说的定位导航，给你个建议是，你可以调用百度地图API，当然别的也可以！百度的地位导航还是相当准确的，我测试过了！给你个百度API的链接，希望对你有帮助！
如果你觉得对你有帮助，望采纳，如有问题请继续提问！
Q3: 跪求大神荣光 回答下面的机器人的JAVA代码
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
public class WalkDistance {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
int n = in.nextInt();
for (int i = 0; i n; i++) {
String order = in.next();
System.out.println(new DecimalFormat("0.00").format(calDistance(order)));
}
in.close();
}
private static float calDistance(String order) {
char[] orderChar = order.toCharArray();
ListString orderList = new ArrayListString();
int num = 0;
for (int i = 0, len = orderChar.length; i len; i++) {
if (orderChar[i] = '0' orderChar[i] = '9') {
num++;
} else {
if (num == 0) {
orderList.add(String.valueOf(orderChar[i]));
} else {
StringBuffer sb = new StringBuffer();
for (int j = num; j 0; j--) {
sb.append(String.valueOf(orderChar[i - j]));
}
orderList.add(sb.toString());
orderList.add(String.valueOf(orderChar[i]));
num = 0;
}
}
if (i == len - 1 num != 0) {
StringBuffer sb = new StringBuffer();
for (int j = num - 1; j = 0; j--) {
sb.append(String.valueOf(orderChar[i - j]));
}
orderList.add(sb.toString());
}
}
Point curPoint = new Point(0, 0, 90);
for (int i = 0, len = orderList.size(); i len; i++) {
if ("R".equals(orderList.get(i))) {
curPoint.angle = (curPoint.angle - 90 + 360) % 360;
} else if ("L".equals(orderList.get(i))) {
curPoint.angle = (curPoint.angle + 90) % 360;
} else {
curPoint.setLocation(curPoint, orderList.get(i));
}
}
return curPoint.getDis();
}
static class Point {
private int x;
private int y;
private int angle;
private float dis;
public Point(int x, int y, int angle) {
this.x = x;
this.y = y;
this.angle = angle;
this.dis = (float) 0;
}
public void setLocation(Point point, String distance) {
if (point.angle == 0) {
point.x += Integer.valueOf(distance);
} else if (point.angle == 90) {
point.y += Integer.valueOf(distance);
} else if (point.angle == 180) {
point.x -= Integer.valueOf(distance);
} else {
point.y -= Integer.valueOf(distance);
}
}
public float getDis() {
return (float) Math.sqrt(this.x * this.x + this.y * this.y);
}
}
}
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