написал через тернарный, все логично и должно работать
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(String name, float distance, int quality) {
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) {
}
public synchronized int compareTo(Beach o){
int result=0;
int d = 0;
int q = 0;
d=distance==o.getDistance()?0:(distance<o.getDistance()?1:-1);
q= quality==o.getQuality()?0:(quality<o.getQuality()?-1:1);
result=d-q;
return result ;
}
}