Помогите разобраться в чем ошибка
package com.javarush.task.task17.task1714;
/*
Comparable
*/
public class Beach implements Comparable<Beach> {
private String name; //название
private float distance; //расстояние
private int quality; //качество
public Beach() {
this.name = name;
this.distance = distance;
this.quality = quality;
}
public synchronized String getName() {
return name;
}
public synchronized void setName(String name) {
this.name = name;
}
public synchronized float getDistance() {
return distance;
}
public synchronized void setDistance(float distance) {
this.distance = distance;
}
public synchronized int getQuality() {
return quality;
}
public synchronized void setQuality(int quality) {
this.quality = quality;
}
public static void main(String[] args) {
}
@Override
public synchronized int compareTo(Beach o) {
if (o.distance < this.getDistance() && o.quality < this.getQuality()) {
return 1;
} else if (o.distance > this.getDistance() && o.quality > this.getQuality()) {
return -1;
} else return 0;
}
}