Тяжело эта тема идет...
package com.javarush.task.task21.task2106;
import java.util.Date;
/*
Ошибка в equals/hashCode
*/
public class Solution {
private int anInt;
private String string;
private double aDouble;
private Date date;
private Solution solution;
public Solution(int anInt, String string, double aDouble, Date date, Solution solution) {
this.anInt = anInt;
this.string = string;
this.aDouble = aDouble;
this.date = date;
this.solution = solution;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof Solution)) return false;
Solution solution1 = (Solution) o;
if (Double.compare(solution1.aDouble, aDouble) != 0) return false;
if (anInt != solution1.anInt) return false;
if (date == null || solution1.date ==null || (date !=solution1.date)) return false;
if (solution == null || solution1.solution==null || (solution!=solution1.solution)) return false;
if (string == null || solution1.string==null || (string !=(solution1.string))) return false;
return true;
}
@Override
public int hashCode() {
int result;
long temp;
result = anInt;
temp = aDouble != +0.0d ? Double.doubleToLongBits(aDouble) : 0L;
result = 31 * result + (int) (temp ^ (temp >>> 32));
result = 31 * result + (solution != null ? solution.hashCode() : 0);
return result;
}
public static void main(String[] args) {
}
}