Підкажіть , що не так?
package com.javarush.task.task14.task1411;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.stream.Collectors;
import java.util.stream.Stream;
/*
User, Loser, Coder and Proger
*/
public class Solution {
public static void main(String[] args) throws Exception {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
Person person = null;
String key = null;
key = reader.readLine();
boolean bl = false;
while (!bl) {
if (key.equals("user")) {
key = reader.readLine();
doWork(new Person.User());
} else if (key.equals("loser")) {
key = reader.readLine();
doWork(new Person.Loser());
} else if (key.equals("coder")) {
key = reader.readLine();
doWork(new Person.Coder());
} else if (key.equals("proger")) {
key = reader.readLine();
doWork(new Person.Proger());
} else {
bl = true;
}
}
//создаем объект, пункт 2
doWork(person); //вызываем doWork
}
public static void doWork(Person person) {
// пункт 3
if (person instanceof Person.User) {
((Person.User) person).live();
} else if (person instanceof Person.Loser) {
((Person.Loser) person).doNothing();
} else if (person instanceof Person.Coder) {
((Person.Coder) person).writeCode();
} else if (person instanceof Person.Proger) {
((Person.Proger) person).enjoy();
}
}
}