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public class Car {
@Override
public String toString() {
return "Car [车牌号=" + licensePlateNumber + ", 实时车速=" + speed + ", 测体重量=" + weight + "]";
}
private String licensePlateNumber;
private int speed;
private double weight;
public Car(String licensePlateNumber, int speed, double weight) {
super();
this.licensePlateNumber = licensePlateNumber;
this.speed = speed;
this.weight = weight;
}
public Car() {
this.licensePlateNumber="XX1234";
this.speed=100;
this.weight=100;
}
public String getLicensePlateNumber() {
return licensePlateNumber;
}
public void setLicensePlateNumber(String licensePlateNumber) {
this.licensePlateNumber = licensePlateNumber;
}
public int getSpeed() {
return speed;
}
public void setSpeed(int speed) {
this.speed = speed;
}
public double getWeight() {
return weight;
}
public void setWeight(double weight) {
this.weight = weight;
}
public void speedUp() {
this.speed++;
}
public void speedDown() {
this.speed--;
}
public static void main(String[] args) {
Car car=new Car();
car.setLicensePlateNumber("辽A9752");
//加速
car.speedUp();
Car car2=new Car("辽B5086", 150, 200);
car2.speedDown();
System.out.println(car);
System.out.println(car2);
}
}