public class car
{
private int model;
private String make;
private double speed;
/**
* * My constructor
*/
public car()
{
model = 2000;
make= "Ferrari";
speed= 50;
}
public int getYear()
{
return model;
}
public String getMake()
{
return make;
}
public double getSpeed()
{
return speed;
}
public double accerlate()
{
double accerlate = speed++;
return accerlate;
}
public void output(double accerlate)
{
System.out.println("Year: " +model);
System.out.println("Make: " + make);
System.out.println("Speed: " + speed);
System.out.println(accerlate);
}
}
连接到这个类类返回的方法值
public class RaceTrack
{
public static void main(String args[]){
double speed = 50;
car mycar= new car();
mycar.getYear();
mycar.getMake();
mycar.getSpeed();
mycar.output(speed);
mycar.accerlate();
}
}
不管怎么说,我试图让一个输出和accerlate方法不工作,我想要的方式。它应该是+1并且它不起作用。为什么它不工作?它只是打印原始速度。
它的工作,谢谢 – user3296193
欢迎您:) –