what is wrong here
package com.codegym.task.task21.task2107;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Objects;
/*
Deep cloning of a map
*/
public class Solution implements Cloneable {
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Solution solution = (Solution) o;
return users.equals(solution.users);
}
@Override
public int hashCode() {
return Objects.hash(users);
}
public static void main(String[] args) {
Solution solution = new Solution();
solution.users.put("Hubert", new User(172, "Hubert"));
solution.users.put("Zapp", new User(41, "Zapp"));
Solution clone = null;
try {
clone = solution.clone();
System.out.println(solution);
System.out.println(clone);
System.out.println(solution.users);
System.out.println(clone.users);
} catch (CloneNotSupportedException e) {
e.printStackTrace(System.err);
}
}
public Solution clone() throws CloneNotSupportedException {
return (Solution) super.clone();
}
protected Map<String, User> users = new LinkedHashMap();
public static class User implements Cloneable {
int age;
String name;
public User(int age, String name) {
this.age = age;
this.name = name;
}
public User clone() throws CloneNotSupportedException {
return (User) super.clone();
}
}
}