Спасибо
package com.javarush.task.task21.task2105;
import java.util.HashSet;
import java.util.Set;
import java.util.Objects;
/*
Исправить ошибку. Сравнение объектов
*/
public class Solution {
private final String first, last;
public Solution(String first, String last) {
this.first = first;
this.last = last;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || !(o instanceof Solution)) return false;
Solution solution = (Solution) o;
return Objects.equals(first, solution.first) &&
Objects.equals(last, solution.last);
}
@Override
public int hashCode() {
return Objects.hash(first, last);
}
public static void main(String[] args) {
Set<Solution> s = new HashSet<>();
s.add(new Solution("Mickey", "Mouse"));
System.out.println(s.contains(new Solution("Mickey", "Mouse")));
}
}