не принимает и я не понимаю почему - выбрасывает Caused by: java.lang.NullPointerException
package com.javarush.task.task21.task2113;
public class Horse
{
private String name;
double speed;
double distance;
public Horse (String name, double speed, double distance)
{
this.name = name;
this.speed = speed;
this.distance = distance;
}
public String getName()
{ return name; }
public void setName(String name)
{ this.name = name; }
public double getSpeed()
{ return speed; }
public void setSpeed(double speed)
{ this.speed = speed; }
public double getDistance()
{ return distance; }
public void setDistance(double distance)
{ this.distance = distance; }
}